Feature:1. 7in Screen: Video intercom doorbell is designed with a 7 inch color TFT LCD display, no radiation, low power consumption, high definition.2. Multi Functional: Infrared camera with infrared CUT has effective night vision function, electric lock control function, handsfree talking.3. 25 Ringtone: Access control video doorbell has 25 kinds of doorbells. You can choose the ringtones you need, practical and stylish.4. Weatherproof: Doorbell intercom system is made of aluminum alloy material, high strength, rain proof, oxidation resistant, long use life.5. Easy Installation: The intercom system is simple to install, suitable for use in villas, apartments, homes, hotels, offices, and public buildings.Specification:Item Type: Doorbell Intercom SystemMaterial: ABS + aluminum alloyScreen Size: 7in TFTResolution: 480xRGBx230Call Duration: 120sMonitor Duration: 60sMaximum Communication Distance: Approx. 200m/656.2ftAngle: 92 degreesCamera: 1/4in CMOS 700 TV Line.Package List:1 x Indoor Unit1 x Outdoor Unit1 x Screw Kit1 x Instruction Manual1 x Power Cord1 x 4 Core Connecting Cable (5m)2 x 4 Core Terminal Cable1 x 2 Core Terminal Cable