Elevate your entrance security with the Ajax DoorBell 4MP Smart Video Doorbell (66391.125.BL1) in sleek black – a professional-grade wireless video doorbell boasting a 4MP HDR camera for sharp 2560×1440 resolution footage. Built-in AI intelligently classifies humans, vehicles, and pets, complemented by a PIR motion sensor for precise detection and minimal false alarms.

Experience clear visibility with 6m IR night vision, two-way audio featuring noise suppression and echo cancellation for natural conversations, and a wide 155° horizontal field of view to monitor everything at your door. Primary 2.4GHz Wi-Fi connectivity with seamless fallback to Jeweller/Wings protocols (when paired with an Ajax hub) ensures reliable operation up to 500m line-of-sight.

Built tough with IP54 weather resistance, backup battery for power outages, and integration with Ajax NVR or cloud storage. Controlled effortlessly via the Ajax app for live views, notifications, and settings. Ideal for seamless Ajax system integration – the DoorBell in black offers discreet, intelligent protection for homes, offices, or commercial entrances.