1、Night Vision: The infrared camera is equipped with night vision function and IR CUT, so you can clearly see the surrounding situation even at night. 2、Multi Function: Video doorbell has electronic lock control function, hands free intercom microphone and silent indoor intercom function. 3、7 Inch Screen: Video doorbell set adopts 7 inch color TFT LCD, which has no radiation, low power consumption and high definition. 4、Adjustment Design: Video door phone doorbell has 25 kinds of doorbells, with adjustment volume, brightness and contrast. 5、Aluminum Alloy: Monitor adopts aluminum alloy panel, which has good heat dissipation and is fashionable and luxurious. Item Type: Video Door Phone Doorbell Material: ABS,Aluminum Alloy Resolution: 480 x RGB x 234 Call Duration: 120s±10% Monitoring Duration: 60s±10% Maximum Communication Distance:Approx. 200m / 218.7yd Power Consumption: Static < 0.5W, Call < 10W Camera Display Angle: 92 Degrees 1 x Outdoor Unit (Camera) 1 x Indoor Unit (Monitor) 1 x Adapter 1 x 4 Pin Connection Cable 1 x 2 Core Connecting Cable 2 x 4 Core Connecting Cable 1 x User Manual 8 x Screw 8 x Screw Expansion Tube