Xiaomi Smart Doorbell 3

Specification: Resolution: 2K Viewing Angle: 180 degrees Ultra-wide Angle 107 degrees Vertical Angle Special Feature: Advanced AI Motion Detection 4 built-in 840nm high power infrared lights ensure the images are captured clearly even in low or no light Supports remote doorbell wake-up and remote viewing of doorway (App) Two-way audio communication with smart voice changer App: Xiaomi Home Connectivity: Wi-Fi IEEE 802.11b/g/n, 2.4GHz. RF 433MHz Infrared Light: 940nm infrared light Storage: Cloud storage (free 3-days rolling storage) Battery: 5200mAh Port; Type-C Rated Input: 5V2A Dimension: 128 x 60 x 23.5mm