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Ajax Doorbell Black
Ajax DoorBell combines the convenience of a smart doorbell with high-end security and video surveillance. When someone rings the doorbell, users can speak to visitors instantly, with no lags or delays. Equipped with a PIR sensor and built-in AI, DoorBell accurately detects movement and recognizes people, animals, and vehicles. Users can always get a clear, high-quality view of activity at their front door thanks to the doorbell’s wide-range HDR camera.
Jeweller and Wings radio communication
Top Grade Camera (155°, 4MP, HDR)
IR illumination range p to 6m
Built-in AI object recognition
Precise motion detection with a PIR sensor
Clear two-way audio with noise suppression and echo cancellation
Four colours
Chime feature with Ajax sirens or third-party chimes
Mechanical button with LED indications
IP 54 waterproof and dust-resistant enclosure
Informative push notifications
Jetsparrow instant access to live stream and smooth archive navigation
Customizable virtual video wall
Adjustable motion detection area
ONVIF / RTSP support
Enhanced Wi-Fi Connection at a distance of up to 500m in line of sight
Fall back communication channel
High0resolution alarm verification
Archive synchronization with system events
Multi-tiered account security 2FA, session control, and password/biometric login
Secure passwordless authentication
Remote control and configuration
Over-the-air updates without additional maintenance
Hassle-free installation
Tamper to detect device dismantling
| Compatibility | Hub 2 (2G) Jeweller Hub 2 (4G) Jeweller Hub 2 Plus Jeweller Hub BP Jeweller Superior Hub Hybrid (2G) Superior Hub Hybrid (4G) Superior Hub Hybrid (4G)(without casing)
Rex 2 Jeweller |
| Video stream
| Camera 4 MP CMOS sensor
Resolution up to 2688 × 1520 px
Camera viewing angles horizontal: 155°
Video protocol JetSparrow Fast and encrypted peer-to-peer video protocol developed by Ajax Systems.
Storage options NVR Ajax Cloud Storage
Video codec H.264
Dynamic range HDR Improves the accuracy of detail in bright and dark scenes.
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| Communication channels
| Wi-Fi 802.11 b/g/n module 2.4 GHz, up to 2 Mbit/s.
Jeweller and Wings communication technologies Proprietary wireless communication technologies to transmit commands, alarms, events, and photo verifications. They serve as a backup communication channel when the device is added to the hub.
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| Key features
| Two-way communication Clear and loud voice communication between users and visitors near the device.
Motion detection The device detects movement using a built-in PIR sensor and software image frame analysis.
Object detection using AI
Smart IR illumination up to 6 m Automatic adjustment of intensity in real time to avoid overexposure. This allows you to see objects that are far away or too close to the camera in low-light conditions.
Visual verification of Ajax alarms The system allows you to set up a scenario when Ajax detectors activate selected cameras to start recording. The result is immediately sent to the mobile or desktop monitoring app.
Support for ONVIF authorization Profile S Profile T (partially) Ajax cameras and NVRs can be integrated into third-party video management systems (VMS).
Microphone For two-way communication and sound recording at the site.
Audio codec G722
Audio processing Always active noise suppression and echo cancellation. |
| PIR detection
| Sensitive elements 1 × PIR sensor
Motion detection distance up to 4 m Depends on the sensitivity level adjusted in the device settings.
Motion detection angle horizontal: 120°
Sensitivity 3 levels Adjusted by a PRO or a user with admin rights in Ajax apps. |
| Installation recommendations
| t is recommended to install the device at a height of 1.2–1.5 m.
The device is designed for outdoor and indoor use.
It is not recommended to install the device in direct sunlight. This may cause overheating and damage to the device’s electrical components.
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| Sabotage protection
| Tamper alarm Notifications of attempts to remove the device from the mounting panel.
Holding screw secures the device on SmartBracket
mTLS Encrypted connection for data protection.
Authentication via Ajax Cloud Without local access rights.
Secure Boot Protection against firmware spoofing.
OTA signature verification Secure automatic firmware update.
Privacy Access rights distribution for users in mobile apps and for monitoring operators in PRO Desktop.
Communication loss detection Wi-Fi: can be set from 30 s Detection time depends on Ajax Cloud connection and Jeweller or Jeweller/Fibra settings.
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| Power supply
| Device power consumption 10 W
Main DC voltage range 12–24 V⎓
Main AC voltage range 16–24 V~, 50/60 Hz
Battery built-in rechargeable battery: Li-ion 600 mАh Intended to heat the device in a cold climate and provide a backup power supply for short periods.
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| Enclosure
| Dimensions 145 × 47 × 34 mm
Weight 163 g
Operating temperature range from −25 °C to +60 °C
Operating humidity up to 90%
Protection class IP54 |
| Color | Black |
| Complete set | DoorBell SmartBracket mounting panel Wedge bracket (2 pcs) BellKit (for connection to a wired chime) Installation kit Quick start guide |
