Secure your entrance with sophistication using the Ajax DoorBell 4MP Smart Video Doorbell (66392.125.GP1) in elegant graphite – a premium wireless video doorbell equipped with a 4MP HDR camera for detailed 2560×1440 resolution imaging. Integrated AI smartly identifies humans, vehicles, and pets, paired with a PIR motion sensor for accurate, low-false-alarm detection.
Benefit from 6m IR night vision for round-the-clock clarity, two-way audio with advanced noise suppression and echo cancellation for clear visitor interactions, and a broad 155° horizontal field of view. Primary 2.4GHz Wi-Fi ensures stable connectivity up to 500m line-of-sight, with Jeweller/Wings protocols as reliable fallback when connected to an Ajax hub.
Durable IP54-rated construction withstands outdoor elements, while a backup battery maintains operation during power interruptions. Supports Ajax NVR or cloud storage for easy footage access, all managed seamlessly through the Ajax app.
The graphite finish offers a modern, understated look that complements contemporary exteriors – perfect for Ajax ecosystem users seeking advanced, integrated front-door security.
| Attribute | Value |
|---|---|
| Brand | Ajax Systems |
| Model | DoorBell |
| Product Code | 66392.125.GP1 |
| Color | Graphite (RAL 7024) |
| Camera Resolution | 4MP HDR (2560 × 1440) |
| Field of View | 155° Horizontal, 90° Vertical |
| Night Vision | IR up to 6m |
| Motion Detection | Built-in PIR Sensor + AI (Humans, Vehicles, Pets) |
| Audio | Two-Way Audio with Noise Suppression & Echo Cancellation |
| Connectivity | Wi-Fi 802.11 b/g/n (2.4 GHz), Jeweller & Wings (with Ajax Hub) |
| Communication Range | Up to 500m (Wi-Fi line of sight) |
| Video Compression | H.264 / H.265 |
| Video Streaming | JetSparrow Technology |
| Storage | Ajax NVR Integration or Cloud Storage |
| Weatherproof Rating | IP54 |
| Power Supply | Wired (8-24V AC/DC), Built-in Backup Battery |
| Backup Battery Operation | Up to 1-2 hours (during power outage) |
| Operating Temperature | -25°C to +60°C |
| Operating Humidity | Up to 90% |
| Dimensions | 145 × 47 × 34 mm |
| Compatibility | Ajax Hubs (Hub 2, Hub 2 Plus, Hub Hybrid, etc.) |
| App Control | Ajax App (iOS/Android) |
| Installation | Wall-Mounted, Outdoor/Indoor Entrance |



