1、7inch Color TFT LCD: 7 inch color TFT LCD with no radiation, low power consumption, high definition, adjustable volume, brightness and contrast. 2、Hands Free Microphone: Electronic lock control function, hands free intercom microphone, silent indoor intercom function. 3、Night Vision Function: Video doorphone with 16 kinds of doorbell ringing, infrared camera with night vision function with IR CUT. 4、Aluminum Panel: The indoor unit is made of aluminum alloy panel, which is strong and durable, not easy to change color and not easily damaged by repeated use. 5、Rainproof: The durable aluminum alloy outdoor unit is rainproof and anti oxidation, and can be used for a long time. Item Type: 7inch Video Intercom System Material: ABS, Aluminum Alloy Resolution: 480xRGBx234 Call Duration: 120s±10% Monitoring Duration: 60s±10% Maximum Communication Distance: Approx. 200meter / 656.2ft Power Consumption: Static <0.5W, Call <10W Camera Display Angle: 92 Degrees Camera Size: Approx. 118 x 78 x 35mm / 4.6 x 3.1 x 1.4in Monitor Size: Approx. 15 x 25cm / 5.9 x 9.8in 1 x Outdoor Unit (Camera) 1 x Indoor Unit (Monitor) 1 x Adapter 1 x 4 Pin Connection Cable 1 x 2 Pin Connection Cable 2 x 4 Pin Connection Cable 1 x User Manual 8 x Screws 8 x Screw Expansion Tube