Ubiquiti UniFi Protect G4 Doorbell, 2MP Video W/ Night vision, 30 FPS, PIR Sensor, Built In Display – Requires UCK-G2-PLUS or UDM-PRO – On PromotionUniFi Protect G4 Doorbell is a Wi-Fi video doorbell with a built-in display and real-time two-way audio communication. Capture video and communicate with visitors at your front door with the UniFi Protect G4 2MP Doorbell from Ubiquiti Networks. This Wi-Fi device uses a CMOS sensor to capture 1600 × 1200 resolution video at 30 fps. It features a fixed lens that delivers a 155° diagonal field of view, a PIR sensor for motion detection, and a built-in speaker and microphone for two-way audio communication. Remote management is possible thanks to the UniFi Protect app for iOS and Android. The unit is housed in an IPX4-rated enclosure for protection against inclement weather. Ambarella SoC processor Built-in display Built-in IR LED illumination and IR cut filter PIR sensor H.264 video codec Built-in microphone and speaker UniFi Protect for iOS and Android Factory reset button LED indicators Mounts included FCC, IC, and CE certified