Ubiquiti G4 Doorbell Pro Black

Certification: FCC, IC, CE | Mounting bracket(s) included: Yes | Bell width: 5.17 cm | Bell height: 16.1 cm | Echo cancellation: Yes | DC input voltage: 37 - 57 V | Vertical field of view: 114° | Second camera resolution: 8 MP | Bell depth: 2.87 cm | Horizontal field of view: 138° | Smartphone/tablet remote support: Yes | Bell weight: 253 g | Diagonal field of view: 155° | Motion detection supported: Yes | Illuminated push button: Yes | Reset button: Yes | International Protection (IP) code: IPX4 | Product colour: Black | Connectivity technology: Wireless | Wi-Fi: Yes | Housing material: Polycarbonate (PC) | Housing material: Aluminium | Input voltage: 16 - 24 V | Sensor type: CMOS | Operating temperature (T-T): -10 - 40 °C | Audio system: 2-way | AC input frequency: 50 - 60 Hz | Manual: Yes | Operating relative humidity (H-H): 10 - 90% | Built-in processor: Yes | Wi-Fi standards: 802.11g | LED type: IR | Wi-Fi standards: 802.11a | Wi-Fi standards: Wi-Fi 5 (802.11ac) | Wi-Fi standards: Wi-Fi 4 (802.11n) | Wi-Fi standards: 802.11b | Built-in microphone: Yes | Power source type: AC | Mounting type: Wall | Built-in speaker(s): Yes | Maximum frame rate: 30 fps | Internal storage capacity: 0.256 GB | Megapixel (approx.): 5 MP | Weatherproof: Yes | Built-in camera: Yes | Maximum video resolution: 1600 x 1200 pixels | Night vision: Yes