1、VISUAL INTERCOM: Make your home safer by allowing you to see, hear, and communicate with anyone outside your home when someone presses the call key. Simply press the unlock key on the in room screen to welcome your visitors 2、HD DISPLAY: The video intercom system comes with a 7in TFT display that allows easy adjustment of brightness, volume, contrast, and multiple ringtone options to see external views 3、WIDE ANGLE CAMERA: Video intercom doorbell camera comes with a rain cover and is designed to protect against rain and damage. The 120º wide angle camera gives visitors a clear view even on dark nights 4、MULTI DEVICE INTERCONNECTION: Can achieve one drag two connection, all video intercom can see, hear, talk with the outdoor doorbell and unlock, indoor extension unlocking is more flexible 5、EASY WALL MOUNT INSTALLATION: Video intercom doorbell adopts wired connection, stable signal, equipped with adapters, rain cover, mounting bracket, 4 core wire, screws and other accessories, can be used in apartments, villas, hotels, offices, public buildings Item Type: Video Intercom System Material: ABS Camera(outdoor): Camera: 1/4 HD CMOS Light Source: 6 Infrared LEDs Resolution: 800x600 pixels Screen(indoor): Resolution: 800x480 Wiring Method: 4 Wire 2 x Indoor Screen 2 x Indoor Screen Back Shell 1 x Outdoor Camera 4 x 4P Connection Line 2 x 2P Connection Line 1 x Test Line 12 x Wall Plug 13 x Metal Screw 2 x Plug 3 x Keychain 1 x User Manual