Video door entry systems explained: understanding the differences between models


Video door entry systems explained: understanding the differences between models


Video doorbells have become a popular part of the modern smart home. They allow you to see, hear and talk to visitors, whether you are at home or not. However, with the large number of models on the market varying in features, price and design, it can be difficult to find the right solution.
In this article you will get an overview of the most important features, differences and considerations, so that you can find the video doorbell that best suits your home and your needs.
The article presents a selection of video doorbells that represent different features, price ranges and technological solutions. The aim is to provide a comprehensive overview of the options available on the market. The product information is based on publicly available manufacturer and retailer descriptions and has been summarised to provide a clear and neutral view of the most important features.
Factors to consider when buying a video doorbell
When choosing a video doorbell, you should take into account both the technical features, installation and integration with your existing smart home system. Here are some of the most important points you should consider.
1. Power supply and installation
Video doorbells are available in both battery-powered and wired versions. Battery-powered versions are easy to install and require no wiring, but need to be recharged regularly. Wired models must be connected to the existing doorbell wires, but offer a constant power source and less maintenance.
2. Video resolution and field of view
Image quality varies depending on the model. A high resolution (1080p or higher) provides sharper images, which can be important if you want to recognise faces or number plates. A wide viewing angle ensures you have a good view of the area in front of the door.
3. Motion detection and notifications
Most video doorbells have motion sensors that send a notification to your smartphone when someone approaches the door. Some models can distinguish between people, animals and cars, reducing the number of unnecessary notifications.
4. Audio and two-way communication
An important feature is the ability to talk directly to visitors through the app. The quality of the microphone and speaker varies, so it can be advantageous to choose a model with noise cancellation and clear sound, especially if you live on a busy street.
5. Cloud storage and privacy
Video doorbells store recordings in the cloud or locally on a memory card. Cloud solutions usually require a subscription but offer easy access to recordings from anywhere. If you prioritise data security and privacy, local storage can be a good alternative.
6. Smart home integration
If you already use voice control or other smart home devices, it can be advantageous to choose a video doorbell that is compatible with systems such as Google Home, Amazon Alexa or Apple HomeKit. This way, you can view live video directly on smart displays and integrate the doorbell into automated routines.
Products in focus

The Ring Battery Video Doorbell in Venetian Bronze is a wireless video doorbell that allows the user to see, hear and talk to visitors via a smartphone or tablet. It is designed for easy DIY installation and can operate on either battery or wired power.
The camera offers a maximum resolution of 1440 x 1440 pixels and supports daytime and colour night recordings. With a 150° field of view both horizontally and vertically, it provides a wide view of the area in front of the door, including people and packages on the ground.
The device supports motion detection and can send real-time notifications when activity is detected. The user can adjust motion zones and activate privacy zones to limit recordings to relevant areas.
The doorbell features a built-in microphone and speaker, enabling two-way communication with visitors. It can be integrated with Alexa and controlled via the Ring app, where live view and quick response functions are also accessible.
The rechargeable battery can be charged using the included USB-C cable, and the product comes with a mounting bracket, installation kit and security sticker.
- Wireless installation: Can be mounted without cables and runs on a rechargeable battery.
- High resolution: 1440 x 1440 pixels with colour night vision for sharp images around the clock.
- Two-way audio: Built-in microphone and speaker allow communication with visitors.
- Motion detection: Sends notifications when activity is detected and can be adjusted with motion zones.
- Alexa integration: Compatible with Amazon’s voice assistant for easy control and monitoring.
Pros and cons
- Easy DIY installation without cables
- High image quality with colour night vision
- Can operate on battery or wired power
- Two-way communication via the app
- Compatible with Alexa and the Ring Protect service
- Requires battery charging when used wirelessly
- Full functionality depends on a stable Wi-Fi connection
- Some features require a Ring Protect subscription after the trial period
Pros and cons
Pros
- Easy DIY installation without cables
- High image quality with colour night vision
- Can operate on battery or wired power
- Two-way communication via the app
- Compatible with Alexa and the Ring Protect service
Cons
- Requires battery charging when used wirelessly
- Full functionality depends on a stable Wi-Fi connection
- Some features require a Ring Protect subscription after the trial period
Pros
- Easy DIY installation without cables
- High image quality with colour night vision
- Can operate on battery or wired power
- Two-way communication via the app
- Compatible with Alexa and the Ring Protect service
Cons
- Requires battery charging when used wirelessly
- Full functionality depends on a stable Wi-Fi connection
- Some features require a Ring Protect subscription after the trial period
Specifications
- Manufacturer: Ring
- Model: B0BZWS9K81
- EAN: 0840268913830
- Product type: Smart doorbell with camera
- Resolution: 1440 x 1440 pixels
- Field of view: 150° horizontal / 150° vertical
- Day/night function: Yes, with colour night vision
- Connection: Wireless (802.11b/g/n, 2.4 GHz)
- Power supply: Rechargeable battery or wired connection (AC 8–24 V)
- Smart assistant: Alexa
- Built-in components: Microphone and speaker
- Features: Privacy zones, live view, colour night vision, customisable motion zones, noise cancellation, full-body video
- Included accessories: USB-C cable, mounting bracket, installation kit, security sticker
- Dimensions (W x D x H): 6.19 × 2.3 × 12.65 cm
- Operating temperature: -20 °C to 50 °C
- Warranty: 1 year
- Colour: Venetian Bronze

The Aqara G4 smart video doorbell was designed to give the user a clear view of who is at the door while maintaining privacy. It uses local AI for facial recognition, meaning data is processed directly on the device without being sent to the cloud.
The doorbell works with Apple HomeKit Secure Video and can also integrate with Google Assistant and Amazon Alexa. It supports both wireless and wired installation, making it suitable for different types of homes.
With 1080p HD video, a 162° field of view, and night vision, the G4 provides a clear image both day and night. The included chime repeater acts as an indoor chime and can extend Wi-Fi range at the same time.
The device offers features such as two-way communication, voice changing, customisable chime tones, and Do Not Disturb mode. It can also trigger alarms for unusual activities such as tampering or extreme temperatures.
The G4 supports both cloud and local storage via microSD card (up to 512 GB) and can operate with six AA batteries providing up to four months of use. Alternatively, it can be connected to a 12–24 V AC or 8–24 V DC power source.
- Local facial recognition: Detects people without sending data to the cloud.
- Compatibility: Works with Apple HomeKit Secure Video, Google Assistant, and Amazon Alexa.
- Flexible power supply: Can operate on batteries or be connected via cable.
- Chime repeater included: Indoor chime with 95 dB volume and USB-C power supply.
- High video quality: 1080p HD resolution, 162° field of view, and night vision.
- Customisation: Option for custom chime tones, voice changing, and Do Not Disturb mode.
Pros and cons
- Local AI processing enhances privacy
- Compatible with multiple smart home platforms
- Flexible installation with battery and cable
- Chime repeater included for better sound and range
- Option for local and cloud storage
- IPX3 certification means it needs a cover if installed outdoors
- Battery life depends on usage and temperature conditions
Pros and cons
Pros
- Local AI processing enhances privacy
- Compatible with multiple smart home platforms
- Flexible installation with battery and cable
- Chime repeater included for better sound and range
- Option for local and cloud storage
Cons
- IPX3 certification means it needs a cover if installed outdoors
- Battery life depends on usage and temperature conditions
Pros
- Local AI processing enhances privacy
- Compatible with multiple smart home platforms
- Flexible installation with battery and cable
- Chime repeater included for better sound and range
- Option for local and cloud storage
Cons
- IPX3 certification means it needs a cover if installed outdoors
- Battery life depends on usage and temperature conditions
Specifications
- Manufacturer: Aqara
- Model: SVD-C03
- Item number: 3146537
- EAN: 6970504218659
- Product colour: Black
- Volume: 95 dB
- Water resistant: Yes (IPX3)
- Facial recognition: Yes
- Works with Google Assistant: Yes
- Works with Amazon Alexa: Yes
- Compatible memory cards: MicroSD (TransFlash)
- Maximum memory card size: 512 GB
- Video resolution: 1920 x 1080 pixels (1080p)
- Field of view: 162°
- Night vision: Yes
- Connection technology: Wireless (Wi-Fi 802.11b/g/n)
- Power supply: AC power, battery, DC
- Input voltage: 12–24 V AC / 8–24 V DC
- Battery type: 6 × AA (1.5 V)
- Battery life: Up to 4 months
- USB connector: USB Type-C
- Doorbell dimensions (outdoor): 65 × 65.2 × 28.4 mm, weight 68 g
- Doorbell dimensions (indoor): 6.5 × 3.04 × 14.2 cm, weight 163 g
- Package weight: 550 g
- Operating temperature: 18 – 50 °C
- Relative humidity: 0 – 95 %
- Mounting bracket included: Yes
- Batteries included: Yes (6 units)
- User manual and screws included: Yes

The DENVER VDB-216 is a wireless video doorbell that allows you to monitor and communicate with visitors via Wi-Fi. It is compatible with the TUYA SMART app, which offers access to live video, notifications and two-way audio directly from your smartphone.
The camera records in Full HD 1080p with a 2-megapixel CMOS sensor and has a wide 166-degree angle, allowing a broad field of view in front of the door. The device supports night vision, so the image remains clear even in dark environments.
The doorbell features integrated PIR motion detection, which detects activity in front of the door and notifies the user. It can record videos on a MicroSD card and comes with an indoor chime.
The device runs on a rechargeable lithium battery that typically lasts between 2 and 3 months between charges. Charging is done via Micro-USB. The product has an IP3/IP4 water resistance rating and is designed for both day and night use.
- Full HD video: 1080p resolution with 2 MP CMOS sensor for sharp images.
- Wi-Fi connection: Allows you to see and talk to visitors via your smartphone.
- Motion detection: The PIR sensor detects activity in front of the door.
- Night vision: Provides a clear view in dark environments.
- Long battery life: Up to 2–3 months between charges.
- Indoor chime included: Supplied with a separate chime unit for indoor use.
Pros and cons
- Wireless installation with Wi-Fi connection
- Full HD video and wide 166-degree viewing angle
- Two-way audio and night vision
- Compatible with the TUYA SMART app
- Long battery life and rechargeable battery
- Requires regular battery charging
- Depends on a stable Wi-Fi connection for optimal operation
Pros and cons
Pros
- Wireless installation with Wi-Fi connection
- Full HD video and wide 166-degree viewing angle
- Two-way audio and night vision
- Compatible with the TUYA SMART app
- Long battery life and rechargeable battery
Cons
- Requires regular battery charging
- Depends on a stable Wi-Fi connection for optimal operation
Pros
- Wireless installation with Wi-Fi connection
- Full HD video and wide 166-degree viewing angle
- Two-way audio and night vision
- Compatible with the TUYA SMART app
- Long battery life and rechargeable battery
Cons
- Requires regular battery charging
- Depends on a stable Wi-Fi connection for optimal operation
Specifications
- Manufacturer: Denver
- Model: VDB-216
- Item number: 3162758
- EAN: 5706751053962
- Product type: Smart doorbell
- Power supply: Rechargeable lithium battery (2 units included)
- Connection: Wireless - Wi-Fi
- Video resolution: Full HD 1080p / 30 fps
- Sensor: 2 MP CMOS
- Viewing angle: 166°
- Features: PIR motion detection, night vision, two-way audio, MicroSD recording
- App compatibility: TUYA SMART (Android and iOS)
- Battery life: Up to 3 months
- Charging: Micro-USB
- Water resistance: IP3/IP4
- Dimensions (W x D x H): 4.6 × 2.9 × 13.5 cm
- Shipping dimensions (W x D x H): 9.7 × 7.5 × 18 cm
- Shipping weight: 437 g

The Ring Battery Video Doorbell (Satin Nickel) + Chime (2nd Generation) is a wireless video doorbell designed for outdoor use. It comes with a rechargeable battery and can also be connected to a fixed power source, offering flexibility in installation.
The camera records at a resolution of up to 1440 x 1440 pixels and supports colour recordings both day and night. With a 150° field of view both horizontally and vertically, it offers a full head-to-toe view, allowing you to see both visitors and packages in front of the door.
The device features a built-in microphone and speaker, allowing you to communicate directly with visitors via two-way audio. The motion sensor detects activity in front of the door and sends notifications to your smartphone via the Ring app.
The included Ring Chime (2nd Generation) allows you to hear doorbell tones inside the house, even when you don’t have your phone nearby. The system supports wireless connection via 2.4 GHz Wi-Fi and can be integrated into the Ring Home app, which includes a 30-day trial period.
The satin nickel casing provides a modern appearance, and the product is designed to operate at temperatures from -20 °C to 50 °C, making it suitable for Nordic weather conditions.
- Wireless installation: Can be mounted without cables thanks to the built-in rechargeable battery.
- High resolution: 1440 x 1440 pixels with colour night vision for clear images 24 hours a day.
- Two-way communication: Built-in microphone and speaker allow real-time conversations with visitors.
- Motion detection: Sends notifications when activity is detected in front of the door.
- Chime included: Provides acoustic notifications in the home without the need for a smartphone.
Pros and cons
- Easy self-installation without cables
- Combines video, audio and motion detection in a single device
- Compatible with the Ring app and Ring Chime Pro
- Works with both battery and fixed power supply
- Suitable for outdoor use in different temperatures
- Requires a stable Wi-Fi connection for optimal operation
- The battery must be recharged regularly if not connected permanently
- Some functions require a subscription after the trial period
Pros and cons
Pros
- Easy self-installation without cables
- Combines video, audio and motion detection in a single device
- Compatible with the Ring app and Ring Chime Pro
- Works with both battery and fixed power supply
- Suitable for outdoor use in different temperatures
Cons
- Requires a stable Wi-Fi connection for optimal operation
- The battery must be recharged regularly if not connected permanently
- Some functions require a subscription after the trial period
Pros
- Easy self-installation without cables
- Combines video, audio and motion detection in a single device
- Compatible with the Ring app and Ring Chime Pro
- Works with both battery and fixed power supply
- Suitable for outdoor use in different temperatures
Cons
- Requires a stable Wi-Fi connection for optimal operation
- The battery must be recharged regularly if not connected permanently
- Some functions require a subscription after the trial period
Specifications
- Manufacturer: Ring
- Item number: 3295827
- Model: B0CJ5X989J
- EAN: 0840268997984
- Product type: Smart doorbell with camera
- Environment: Outdoor
- Functions: Camera, motion detection, doorbell
- Built-in components: Speaker, microphone, camera
- Built-in sensors: Motion sensor
- Power supply: Battery or fixed connection (AC 8–24 V)
- Connection technology: Wireless - IEEE 802.11b/g/n (2.4 GHz)
- Maximum video resolution: 1440 x 1440
- Field of view: 150° horizontal / 150° vertical
- Day/night function: Yes, with colour night vision
- App compatibility: Ring Home (30-day trial period)
- Packaged with: Ring Chime 2nd Generation
- Included accessories: USB-C cable, mounting bracket, security adhesive, mounting tools
- Colour: Satin Nickel
- Dimensions (W x D x H): 6.19 cm x 2.3 cm x 12.65 cm
- Operating temperature: -20 °C to 50 °C
- Warranty: 1 year
- Designed for: Ring Chime Pro

The Ring Battery Video Doorbell in satin nickel is a wireless video doorbell that combines a camera, motion sensor and two-way audio in a single device. It allows the user to see and talk to visitors directly via a smartphone or tablet, no matter where they are.
The camera offers a resolution of up to 1440 x 1440 pixels and supports both day and night recordings with colour night vision. The wide 150-degree horizontal and vertical viewing angle provides a full view of the area in front of the door, from head to toe.
The device can operate with a built-in rechargeable battery or connect to existing doorbell wiring. The wireless connection is made via 2.4 GHz Wi-Fi (802.11b/g/n), making installation simple and flexible.
The Ring app provides access to features such as Live View, Quick Replies, Motion Zones and Privacy Settings. The product includes a 30-day trial of the Ring Home service, which allows you to store and retrieve recordings.
With its compact satin nickel design, the doorbell fits most home environments and offers a practical solution for monitoring and communication at the front door.
- Wireless installation: Can be mounted without cables thanks to the built-in battery.
- High resolution: 1440 x 1440 pixels with colour night vision for clear images 24 hours a day.
- Two-way audio: Enables direct communication with visitors via the app.
- Wide viewing angle: 150° horizontal and vertical for a full view of the door.
- App integration: Compatible with Ring Home with features such as Live View and Motion Zones.
Pros and cons
- Easy installation without wiring
- Combined battery and wired power supply offers flexibility
- High image quality with colour night vision
- Two-way communication via smartphone
- Compatible with the Ring Home app and cloud features
- Requires Wi-Fi connection for full functionality
- The battery must be recharged regularly if not permanently connected
- Some features require a subscription after the trial period
Pros and cons
Pros
- Easy installation without wiring
- Combined battery and wired power supply offers flexibility
- High image quality with colour night vision
- Two-way communication via smartphone
- Compatible with the Ring Home app and cloud features
Cons
- Requires Wi-Fi connection for full functionality
- The battery must be recharged regularly if not permanently connected
- Some features require a subscription after the trial period
Pros
- Easy installation without wiring
- Combined battery and wired power supply offers flexibility
- High image quality with colour night vision
- Two-way communication via smartphone
- Compatible with the Ring Home app and cloud features
Cons
- Requires Wi-Fi connection for full functionality
- The battery must be recharged regularly if not permanently connected
- Some features require a subscription after the trial period
Specifications
- Manufacturer: Ring
- Model: B0BZWQP9Z1
- EAN: 0840268939748
- Product type: Smart doorbell with camera
- Power supply: Battery or fixed wiring (AC 8–24 V)
- Connection: Wireless – IEEE 802.11b/g/n (2.4 GHz)
- Maximum video resolution: 1440 x 1440
- Viewing angle: 150° horizontal / 150° vertical
- Day/night function: Yes, with colour night vision
- Features: Motion detection, two-way audio, Live View, Quick Replies, Privacy Areas, Custom Motion Zones, Noise Cancellation
- App: Ring Home (includes 30-day trial)
- Included accessories: USB-C cable, mounting bracket, mounting kit, security sticker
- Colour: Satin nickel
- Dimensions (W x D x H): 6.19 cm x 2.3 cm x 12.5 cm
- Operating temperature: -20 °C to 50 °C
- Warranty: 1 year
Product descriptions

The Ring Battery Video Doorbell in Venetian Bronze is a wireless video doorbell that allows the user to see, hear and talk to visitors via a smartphone or tablet. It is designed for easy DIY installation and can operate on either battery or wired power.
The camera offers a maximum resolution of 1440 x 1440 pixels and supports daytime and colour night recordings. With a 150° field of view both horizontally and vertically, it provides a wide view of the area in front of the door, including people and packages on the ground.
The device supports motion detection and can send real-time notifications when activity is detected. The user can adjust motion zones and activate privacy zones to limit recordings to relevant areas.
The doorbell features a built-in microphone and speaker, enabling two-way communication with visitors. It can be integrated with Alexa and controlled via the Ring app, where live view and quick response functions are also accessible.
The rechargeable battery can be charged using the included USB-C cable, and the product comes with a mounting bracket, installation kit and security sticker.
- Wireless installation: Can be mounted without cables and runs on a rechargeable battery.
- High resolution: 1440 x 1440 pixels with colour night vision for sharp images around the clock.
- Two-way audio: Built-in microphone and speaker allow communication with visitors.
- Motion detection: Sends notifications when activity is detected and can be adjusted with motion zones.
- Alexa integration: Compatible with Amazon’s voice assistant for easy control and monitoring.
Pros and cons
- Easy DIY installation without cables
- High image quality with colour night vision
- Can operate on battery or wired power
- Two-way communication via the app
- Compatible with Alexa and the Ring Protect service
- Requires battery charging when used wirelessly
- Full functionality depends on a stable Wi-Fi connection
- Some features require a Ring Protect subscription after the trial period
Pros and cons
Pros
- Easy DIY installation without cables
- High image quality with colour night vision
- Can operate on battery or wired power
- Two-way communication via the app
- Compatible with Alexa and the Ring Protect service
Cons
- Requires battery charging when used wirelessly
- Full functionality depends on a stable Wi-Fi connection
- Some features require a Ring Protect subscription after the trial period
Pros
- Easy DIY installation without cables
- High image quality with colour night vision
- Can operate on battery or wired power
- Two-way communication via the app
- Compatible with Alexa and the Ring Protect service
Cons
- Requires battery charging when used wirelessly
- Full functionality depends on a stable Wi-Fi connection
- Some features require a Ring Protect subscription after the trial period
Specifications
- Manufacturer: Ring
- Model: B0BZWS9K81
- EAN: 0840268913830
- Product type: Smart doorbell with camera
- Resolution: 1440 x 1440 pixels
- Field of view: 150° horizontal / 150° vertical
- Day/night function: Yes, with colour night vision
- Connection: Wireless (802.11b/g/n, 2.4 GHz)
- Power supply: Rechargeable battery or wired connection (AC 8–24 V)
- Smart assistant: Alexa
- Built-in components: Microphone and speaker
- Features: Privacy zones, live view, colour night vision, customisable motion zones, noise cancellation, full-body video
- Included accessories: USB-C cable, mounting bracket, installation kit, security sticker
- Dimensions (W x D x H): 6.19 × 2.3 × 12.65 cm
- Operating temperature: -20 °C to 50 °C
- Warranty: 1 year
- Colour: Venetian Bronze

The Aqara G4 smart video doorbell was designed to give the user a clear view of who is at the door while maintaining privacy. It uses local AI for facial recognition, meaning data is processed directly on the device without being sent to the cloud.
The doorbell works with Apple HomeKit Secure Video and can also integrate with Google Assistant and Amazon Alexa. It supports both wireless and wired installation, making it suitable for different types of homes.
With 1080p HD video, a 162° field of view, and night vision, the G4 provides a clear image both day and night. The included chime repeater acts as an indoor chime and can extend Wi-Fi range at the same time.
The device offers features such as two-way communication, voice changing, customisable chime tones, and Do Not Disturb mode. It can also trigger alarms for unusual activities such as tampering or extreme temperatures.
The G4 supports both cloud and local storage via microSD card (up to 512 GB) and can operate with six AA batteries providing up to four months of use. Alternatively, it can be connected to a 12–24 V AC or 8–24 V DC power source.
- Local facial recognition: Detects people without sending data to the cloud.
- Compatibility: Works with Apple HomeKit Secure Video, Google Assistant, and Amazon Alexa.
- Flexible power supply: Can operate on batteries or be connected via cable.
- Chime repeater included: Indoor chime with 95 dB volume and USB-C power supply.
- High video quality: 1080p HD resolution, 162° field of view, and night vision.
- Customisation: Option for custom chime tones, voice changing, and Do Not Disturb mode.
Pros and cons
- Local AI processing enhances privacy
- Compatible with multiple smart home platforms
- Flexible installation with battery and cable
- Chime repeater included for better sound and range
- Option for local and cloud storage
- IPX3 certification means it needs a cover if installed outdoors
- Battery life depends on usage and temperature conditions
Pros and cons
Pros
- Local AI processing enhances privacy
- Compatible with multiple smart home platforms
- Flexible installation with battery and cable
- Chime repeater included for better sound and range
- Option for local and cloud storage
Cons
- IPX3 certification means it needs a cover if installed outdoors
- Battery life depends on usage and temperature conditions
Pros
- Local AI processing enhances privacy
- Compatible with multiple smart home platforms
- Flexible installation with battery and cable
- Chime repeater included for better sound and range
- Option for local and cloud storage
Cons
- IPX3 certification means it needs a cover if installed outdoors
- Battery life depends on usage and temperature conditions
Specifications
- Manufacturer: Aqara
- Model: SVD-C03
- Item number: 3146537
- EAN: 6970504218659
- Product colour: Black
- Volume: 95 dB
- Water resistant: Yes (IPX3)
- Facial recognition: Yes
- Works with Google Assistant: Yes
- Works with Amazon Alexa: Yes
- Compatible memory cards: MicroSD (TransFlash)
- Maximum memory card size: 512 GB
- Video resolution: 1920 x 1080 pixels (1080p)
- Field of view: 162°
- Night vision: Yes
- Connection technology: Wireless (Wi-Fi 802.11b/g/n)
- Power supply: AC power, battery, DC
- Input voltage: 12–24 V AC / 8–24 V DC
- Battery type: 6 × AA (1.5 V)
- Battery life: Up to 4 months
- USB connector: USB Type-C
- Doorbell dimensions (outdoor): 65 × 65.2 × 28.4 mm, weight 68 g
- Doorbell dimensions (indoor): 6.5 × 3.04 × 14.2 cm, weight 163 g
- Package weight: 550 g
- Operating temperature: 18 – 50 °C
- Relative humidity: 0 – 95 %
- Mounting bracket included: Yes
- Batteries included: Yes (6 units)
- User manual and screws included: Yes

The DENVER VDB-216 is a wireless video doorbell that allows you to monitor and communicate with visitors via Wi-Fi. It is compatible with the TUYA SMART app, which offers access to live video, notifications and two-way audio directly from your smartphone.
The camera records in Full HD 1080p with a 2-megapixel CMOS sensor and has a wide 166-degree angle, allowing a broad field of view in front of the door. The device supports night vision, so the image remains clear even in dark environments.
The doorbell features integrated PIR motion detection, which detects activity in front of the door and notifies the user. It can record videos on a MicroSD card and comes with an indoor chime.
The device runs on a rechargeable lithium battery that typically lasts between 2 and 3 months between charges. Charging is done via Micro-USB. The product has an IP3/IP4 water resistance rating and is designed for both day and night use.
- Full HD video: 1080p resolution with 2 MP CMOS sensor for sharp images.
- Wi-Fi connection: Allows you to see and talk to visitors via your smartphone.
- Motion detection: The PIR sensor detects activity in front of the door.
- Night vision: Provides a clear view in dark environments.
- Long battery life: Up to 2–3 months between charges.
- Indoor chime included: Supplied with a separate chime unit for indoor use.
Pros and cons
- Wireless installation with Wi-Fi connection
- Full HD video and wide 166-degree viewing angle
- Two-way audio and night vision
- Compatible with the TUYA SMART app
- Long battery life and rechargeable battery
- Requires regular battery charging
- Depends on a stable Wi-Fi connection for optimal operation
Pros and cons
Pros
- Wireless installation with Wi-Fi connection
- Full HD video and wide 166-degree viewing angle
- Two-way audio and night vision
- Compatible with the TUYA SMART app
- Long battery life and rechargeable battery
Cons
- Requires regular battery charging
- Depends on a stable Wi-Fi connection for optimal operation
Pros
- Wireless installation with Wi-Fi connection
- Full HD video and wide 166-degree viewing angle
- Two-way audio and night vision
- Compatible with the TUYA SMART app
- Long battery life and rechargeable battery
Cons
- Requires regular battery charging
- Depends on a stable Wi-Fi connection for optimal operation
Specifications
- Manufacturer: Denver
- Model: VDB-216
- Item number: 3162758
- EAN: 5706751053962
- Product type: Smart doorbell
- Power supply: Rechargeable lithium battery (2 units included)
- Connection: Wireless - Wi-Fi
- Video resolution: Full HD 1080p / 30 fps
- Sensor: 2 MP CMOS
- Viewing angle: 166°
- Features: PIR motion detection, night vision, two-way audio, MicroSD recording
- App compatibility: TUYA SMART (Android and iOS)
- Battery life: Up to 3 months
- Charging: Micro-USB
- Water resistance: IP3/IP4
- Dimensions (W x D x H): 4.6 × 2.9 × 13.5 cm
- Shipping dimensions (W x D x H): 9.7 × 7.5 × 18 cm
- Shipping weight: 437 g

The Ring Battery Video Doorbell (Satin Nickel) + Chime (2nd Generation) is a wireless video doorbell designed for outdoor use. It comes with a rechargeable battery and can also be connected to a fixed power source, offering flexibility in installation.
The camera records at a resolution of up to 1440 x 1440 pixels and supports colour recordings both day and night. With a 150° field of view both horizontally and vertically, it offers a full head-to-toe view, allowing you to see both visitors and packages in front of the door.
The device features a built-in microphone and speaker, allowing you to communicate directly with visitors via two-way audio. The motion sensor detects activity in front of the door and sends notifications to your smartphone via the Ring app.
The included Ring Chime (2nd Generation) allows you to hear doorbell tones inside the house, even when you don’t have your phone nearby. The system supports wireless connection via 2.4 GHz Wi-Fi and can be integrated into the Ring Home app, which includes a 30-day trial period.
The satin nickel casing provides a modern appearance, and the product is designed to operate at temperatures from -20 °C to 50 °C, making it suitable for Nordic weather conditions.
- Wireless installation: Can be mounted without cables thanks to the built-in rechargeable battery.
- High resolution: 1440 x 1440 pixels with colour night vision for clear images 24 hours a day.
- Two-way communication: Built-in microphone and speaker allow real-time conversations with visitors.
- Motion detection: Sends notifications when activity is detected in front of the door.
- Chime included: Provides acoustic notifications in the home without the need for a smartphone.
Pros and cons
- Easy self-installation without cables
- Combines video, audio and motion detection in a single device
- Compatible with the Ring app and Ring Chime Pro
- Works with both battery and fixed power supply
- Suitable for outdoor use in different temperatures
- Requires a stable Wi-Fi connection for optimal operation
- The battery must be recharged regularly if not connected permanently
- Some functions require a subscription after the trial period
Pros and cons
Pros
- Easy self-installation without cables
- Combines video, audio and motion detection in a single device
- Compatible with the Ring app and Ring Chime Pro
- Works with both battery and fixed power supply
- Suitable for outdoor use in different temperatures
Cons
- Requires a stable Wi-Fi connection for optimal operation
- The battery must be recharged regularly if not connected permanently
- Some functions require a subscription after the trial period
Pros
- Easy self-installation without cables
- Combines video, audio and motion detection in a single device
- Compatible with the Ring app and Ring Chime Pro
- Works with both battery and fixed power supply
- Suitable for outdoor use in different temperatures
Cons
- Requires a stable Wi-Fi connection for optimal operation
- The battery must be recharged regularly if not connected permanently
- Some functions require a subscription after the trial period
Specifications
- Manufacturer: Ring
- Item number: 3295827
- Model: B0CJ5X989J
- EAN: 0840268997984
- Product type: Smart doorbell with camera
- Environment: Outdoor
- Functions: Camera, motion detection, doorbell
- Built-in components: Speaker, microphone, camera
- Built-in sensors: Motion sensor
- Power supply: Battery or fixed connection (AC 8–24 V)
- Connection technology: Wireless - IEEE 802.11b/g/n (2.4 GHz)
- Maximum video resolution: 1440 x 1440
- Field of view: 150° horizontal / 150° vertical
- Day/night function: Yes, with colour night vision
- App compatibility: Ring Home (30-day trial period)
- Packaged with: Ring Chime 2nd Generation
- Included accessories: USB-C cable, mounting bracket, security adhesive, mounting tools
- Colour: Satin Nickel
- Dimensions (W x D x H): 6.19 cm x 2.3 cm x 12.65 cm
- Operating temperature: -20 °C to 50 °C
- Warranty: 1 year
- Designed for: Ring Chime Pro

The Ring Battery Video Doorbell in satin nickel is a wireless video doorbell that combines a camera, motion sensor and two-way audio in a single device. It allows the user to see and talk to visitors directly via a smartphone or tablet, no matter where they are.
The camera offers a resolution of up to 1440 x 1440 pixels and supports both day and night recordings with colour night vision. The wide 150-degree horizontal and vertical viewing angle provides a full view of the area in front of the door, from head to toe.
The device can operate with a built-in rechargeable battery or connect to existing doorbell wiring. The wireless connection is made via 2.4 GHz Wi-Fi (802.11b/g/n), making installation simple and flexible.
The Ring app provides access to features such as Live View, Quick Replies, Motion Zones and Privacy Settings. The product includes a 30-day trial of the Ring Home service, which allows you to store and retrieve recordings.
With its compact satin nickel design, the doorbell fits most home environments and offers a practical solution for monitoring and communication at the front door.
- Wireless installation: Can be mounted without cables thanks to the built-in battery.
- High resolution: 1440 x 1440 pixels with colour night vision for clear images 24 hours a day.
- Two-way audio: Enables direct communication with visitors via the app.
- Wide viewing angle: 150° horizontal and vertical for a full view of the door.
- App integration: Compatible with Ring Home with features such as Live View and Motion Zones.
Pros and cons
- Easy installation without wiring
- Combined battery and wired power supply offers flexibility
- High image quality with colour night vision
- Two-way communication via smartphone
- Compatible with the Ring Home app and cloud features
- Requires Wi-Fi connection for full functionality
- The battery must be recharged regularly if not permanently connected
- Some features require a subscription after the trial period
Pros and cons
Pros
- Easy installation without wiring
- Combined battery and wired power supply offers flexibility
- High image quality with colour night vision
- Two-way communication via smartphone
- Compatible with the Ring Home app and cloud features
Cons
- Requires Wi-Fi connection for full functionality
- The battery must be recharged regularly if not permanently connected
- Some features require a subscription after the trial period
Pros
- Easy installation without wiring
- Combined battery and wired power supply offers flexibility
- High image quality with colour night vision
- Two-way communication via smartphone
- Compatible with the Ring Home app and cloud features
Cons
- Requires Wi-Fi connection for full functionality
- The battery must be recharged regularly if not permanently connected
- Some features require a subscription after the trial period
Specifications
- Manufacturer: Ring
- Model: B0BZWQP9Z1
- EAN: 0840268939748
- Product type: Smart doorbell with camera
- Power supply: Battery or fixed wiring (AC 8–24 V)
- Connection: Wireless – IEEE 802.11b/g/n (2.4 GHz)
- Maximum video resolution: 1440 x 1440
- Viewing angle: 150° horizontal / 150° vertical
- Day/night function: Yes, with colour night vision
- Features: Motion detection, two-way audio, Live View, Quick Replies, Privacy Areas, Custom Motion Zones, Noise Cancellation
- App: Ring Home (includes 30-day trial)
- Included accessories: USB-C cable, mounting bracket, mounting kit, security sticker
- Colour: Satin nickel
- Dimensions (W x D x H): 6.19 cm x 2.3 cm x 12.5 cm
- Operating temperature: -20 °C to 50 °C
- Warranty: 1 year
Different types of video doorbells
There are several types of video doorbells that differ in features, design and installation method. The choice depends on your needs, your home and the degree of integration with your existing system.
1. Battery-powered models
These models are ideal for tenants or those who want a simple installation without cables. They can be mounted almost anywhere and only need to be recharged once or twice a year. The downside is that the operating time between charges may be limited.
2. Wired models
Wired video doorbells are powered through the home’s existing doorbell system. They require a bit more installation, but save you from having to change batteries. They are suitable for permanent installations and usually offer faster response times and a stable connection.
3. Models with local storage
Some video doorbells store recordings directly on an SD card or a local hub. This means you don’t need a subscription to save videos and your data stays in your own home.
4. Cloud-based models
These models store recordings in the cloud, making it easy to access videos from your smartphone, no matter where you are. However, they often require a monthly subscription, and you should check how the manufacturer handles data security.
5. Advanced models with AI features
The most advanced video doorbells can recognise people and parcels, and even notify you when a package is delivered. They can also integrate with other security systems and cameras to provide a complete view of your home’s outdoor areas.
Different brands of video doorbells
The video doorbell market consists of both established and new manufacturers offering different solutions and technologies.
Ring
Ring is one of the best-known brands in the field of video doorbells and offers a wide range of models in different price ranges. The products are known for their user-friendly app, reliable cloud storage and integration with Amazon Alexa.
Google Nest
Google’s Nest series combines elegant design with advanced features such as facial recognition and smart notification control. Nest products integrate seamlessly with Google Home and other smart home devices in the ecosystem.
Arlo
Arlo focuses on high image quality and flexible storage options. Many models offer both cloud and local storage, and the brand is known for its strong data security and good app features.
Eufy
Eufy offers video doorbells without the need for a subscription, with recordings stored locally. The products are popular for their ease of use, stable performance and focus on privacy.
Netatmo
Netatmo is known for its elegant, privacy-focused solutions. Its video doorbells work without a subscription and integrate with Apple HomeKit, making them attractive to users who prioritise data security and simple integration.
Frequently asked questions
Does a video doorbell need Wi-Fi?
Yes, most video doorbells need a stable Wi-Fi connection to send live video and notifications to your smartphone. Make sure the signal at the front door is strong enough, if necessary with a Wi-Fi repeater.
Can I use a video doorbell without a subscription?
Yes, several models offer local storage on an SD card or base unit, allowing you to save recordings without monthly costs. However, subscriptions often provide access to additional features such as longer video histories and advanced motion detection.
Are video doorbells protected against hacking?
Most manufacturers use encryption and secure logins to protect data. You can increase security by using strong passwords, enabling two-factor authentication and keeping the device updated with the latest firmware.
Can I install a video doorbell myself?
Yes, many models are designed for self-installation. Battery-powered versions are especially easy to mount, while wired models require access to the existing wires from your old doorbell.
What happens if the Internet goes down?
Most video doorbells lose online functions such as live view and notifications when the Internet goes down. However, some models with local storage can continue recording videos until the connection is restored.










