Ubiquiti Doorbell G4 UniFi Protect G4 Doorbell is a Wi-Fi video doorbell with a built-in display and real-time two-way audio communication. 1600x1200 (2MP) HD stream with night vision Integrated entrance lighting Real-time two-way audio with echo cancellation Built-in display Dual-band 802.11ac Wi-Fi PIR motion detection sensor Weather-resistant UniFi Protect integration Comes with EU-rated 230V / 16VAC doorbell transformer The camera features a high-quality 5MP sensor with enhanced night vision. Image streams can be viewed in up to 1600x1200 (2MP) HD at 30 FPS. UniFi Protect G4 Doorbell includes a PIR sensor for instant motion detection alerts. Integration with UniFi Protect provides an easy-to-use interface. HD Image Quality Built-in HD 5MP camera with 45 FPS. Weather-resistant Reliable performance in the harshest conditions. Night Vision See objects and visitors even in the middle of the night. Entrance Lighting An in-unit light helps you instantly identify visitors. PIR Motion Detection Detects motion around your door and alerts you. Built-in Display Welcome messages, access statuses, and more. Weather-resistant IPX4 Its weatherproof design ensures reliable performance in the harshest conditions.