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 120º 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 System Material: ABS Camera (Outdoor): Camera: 1/4 HD CMOS Light Source: 6 Infrared LEDs Resolution: 800x600 Pixels Display (Indoor): Resolution: 800x480 Wiring Method: 4 Wire. Package List: 2 x Indoor Unit 1 x Outdoor Unit 1 x Outdoor Unit Rain Cover (Pre Installed) 5 x Connection Cable 12 x Expansion Screw 14 x Metal Screw 2 x Plug 1 x User Manual