1: 4MP high-definition smart doorbell set (2560*1440), supports 4-screen display 2: 5-inch mipi high-definition large-screen host; supports Wi-Fi wireless networking 3: Built-in 5000mAh large-capacity lithium battery, more convenient to move 4: With wireless smart video doorbell, for video intercom 5: Support one-button wake-up of the doorbell, view the door screen, and real-time intercom Support voice answering, freeing your hands; support desktop bracket Support horizontal and vertical screen display, support 4 four-screen doorbell/battery camera Support use with doorbell in LAN, no worries when disconnected; Support APP remote viewing and configuration, support 256GB SD card storage Hign-concerned Chemical:None Feature:Photograph,Video Connection Type:WireLess Item Type:VIDEO DOORBELL Alarm:Yes Smart home platform:Tuya The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:ABS Package Contents: 1 * Screen 1 * WIFI Doorbell Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.