Feature:1. VISUAL INTERCOM: Welcome your visitors by seeing, hearing, and talking to anyone outdoors with 7inch TFT display screen and wide angle camera. Easily unlock the door with the push of a button.2. 7INCH TFT DISPLAY: The system comes with a 7inch TFT screen that allows for easy adjustments of brightness, volume, contrast, and ringtone selection. It enables you to observe the external view at all times.3. WIDE ANGLE CAMERA: The video doorbell system features a camera with a rain cover for maximum guard against the elements. The camera catches a 120 wide angle view, ensuring you see more details.4. MULTIPLE DEVICE INTERCONNECTION: Connect one to two displays for seamless conversation, allowing all displays to hear, talk, and unlock the door with various flexible unlocking methods.5. PRACTICAL AND VERSATILE: Stable wired signal connection with included adapter, rain cover, mounting bracket, 4 core wire, screws, suitable for apartments, villas, hotels, offices, and public buildings.Specification:Item Type: Video Doorbell SystemMaterial: ABSCamera (Outdoor):Camera: 1 or 4 HD CMOSLight Source: 6 Infrared LEDsResolution: 800x600 PixelsDisplay (Indoor):Resolution: 800x480Wiring Method: 4 Wire.Package List:2 x Indoor Unit1 x Outdoor Unit1 x Outdoor Unit Rain Cover (Pre Installed)5 x Connection Cable12 x Expansion Screw14 x Metal Screw2 x Plug1 x User Manual