Feature: 1. Color TFT LCD: The Video door phone system uses a 7 inch color TFT LCD with no radiation, low power consumption and high definition. 2. Scope of Application: This special design will fully satisfy the needs of 6 families and is ideal for families with 6 neighbors, such as community neighbors of small or large apartments, or any other buildings. 3. Night Vision Function: Monitor the exterior of the door, 25 kinds of doorbell, electronic lock control function, hands free intercom, IR CUT camera with night vision function 4. Easy Installation: This door phone has a large screen that provides visual and security through very simple installation and use, adding more convenience to everyday life. 5. ABS and Aluminum Alloy: Video door phone is made of ABS and aluminum alloy, anti oxidation, strong and durable, repeated use is not easy to damage. Specification: Item Type: 7inch Video Intercom System Material: ABS,Aluminum Alloy Resolution: COMS 1000TVL Display Specification: 7inch 1204x600 LED: IR LED850NM Call Duration: 120s±10% Monitoring Duration: 60s±10% Maximum Communication Distance: Approx. 200meter / 656.2ft Power Consumption: Static 0.5W, Call 8W Camera Display Angle: 92 Degrees Effective Distance: Approx. 200meter / 656.2ft Monitor Size: Approx. 128 x 225 x 20mm / 5.0 x 8.9 x 0.8in Camera Front Size: Approx. 128 x 265 x 48mm / 5.0 x 10.4 x 1.9in Camera Back Embedded Size: Approx. 118 x 38 x 245mm / 4.6 x 1.5 x 9.6in. Package List: 1 x Outdoor Unit (Camera)6 x Indoor Unit (Monitor)6 x Adapter3 x 2 Pin Connection Cable12 x 4 Pin Connection Cable1 x User Manual48 x Screws48 x Screw Expansion Tube7 x Access Card Note: 1. Electric door lock, release cable connected to the camera unit.2. The lock must be connected with the access control power supply3. Each indoor unit is connected to the outdoor unit through a 4 core cable4. The device is powered by the indoor unit.