AJAX
AJAX SURVEILLANCE Doorbell (Requires Ajax Hub)
Order code: 28685EAN: 4823114066139
- Camera:4 MP CMOS sensor
- Resolution:up to 2688 × 1520 px
- Viewing angles:horizontal 155°, vertical 90°
- Video protocol:JetSparrow (fast and encrypted peer‑to‑peer protocol developed by Ajax Systems)
- Storage options:NVR, Ajax Cloud Storage
- All specifications
€511.00incl. VAT
Ships in 2-4 working days
Free pickup from our shop
Description
Professional security at the front door
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.
Specifications
- Camera
- 4 MP CMOS sensor
- Resolution
- up to 2688 × 1520 px
- Viewing angles
- horizontal 155°, vertical 90°
- Video protocol
- JetSparrow (fast and encrypted peer‑to‑peer protocol developed by Ajax Systems)
- Storage options
- NVR, Ajax Cloud Storage
- Video codec
- H.264
- Dynamic range
- HDR (improves details in bright/dark scenes)
- Wi‑Fi
- 802.11 b/g/n module, 2.4 GHz, up to 2 Mbit/s
- Jeweller and Wings
- proprietary wireless communication technologies for backup (commands, alarms, events, photo verification)
- Key features
- Two‑way communication with clear and loud voice between users and visitors
- Motion detection
- built‑in PIR sensor + software image frame analysis
- Object detection (AI)
- people, pets, vehicles
- Smart IR illumination
- up to 6 m, auto intensity adjustment in real time to prevent overexposure
- Visual verification
- Ajax detectors can trigger camera recording, sending results to monitoring apps
- ONVIF support
- Profile S (full), Profile T (partial); allows integration into third‑party VMS
- Microphone
- for two‑way communication and recording
- Audio codec
- G722
- Audio processing
- always‑active noise suppression and echo cancellation
- Sensitive elements
- 1 × PIR sensor
- Detection distance
- up to 4 m (depends on sensitivity settings)
- Detection angles
- horizontal 120°, vertical 100°
- Sensitivity
- 3 adjustable levels (via Ajax apps by PRO/admin)
- Installation recommendation
- mount at 1.2–1.5 m height; suitable for outdoor/indoor use; avoid direct sunlight (may overheat)
- Tamper alarm
- notifies attempts to remove from mounting panel
- Holding screw
- secures device on SmartBracket
- mTLS
- encrypted connection for data protection
- Authentication
- via Ajax Cloud (no local access rights)
- Secure Boot
- prevents firmware spoofing
- OTA signature verification
- ensures secure firmware updates
- Privacy
- access rights managed in apps and PRO Desktop
- Communication loss detection
- Wi‑Fi (configurable from 30 s); Jeweller/Wings (36 s; depends on settings)
- Device power consumption
- 10 W
- Main DC voltage
- 12–24 V⎓
- Main AC voltage
- 16–24 V~, 50/60 Hz
- Minimum current
- Without wired chime: 1 A (12 V⎓); 0.5 A (24 V⎓); 0.6 A (16 V~); 0.4 A (24 V~)
- With wired chime
- 3 A (12 V⎓); 3 A (24 V⎓); 0.6 A (16 V~); 0.4 A (24 V~)
- Battery
- built‑in Li‑ion 600 mAh (heats device in cold climate, backup for short periods)
- Power recommendations
- with BellKit + wired chime, stronger supply required: 12–24 V⎓, ≥3 A or 16–24 V~, ≥10 VA
- Dimensions
- 145 × 47 × 34 mm
- Weight
- 163 g
- Operating temperature
- −25 °C to +60 °C
- Operating humidity
- up to 90%
- Protection class
- IP54
