Feature: 1. VISIBLE INTERCOM: You can see, hear and communicate with anyone at your door when someone presses the call button. Simply press the "unlock" button on your interior doorbell to welcome your visitors. 2. 7 INCH TFT DISPLAY: You can easily adjust the brightness, volume, contrast and a wide selection of ringtones through the display, as well as watch what's going on outside your door. 3. IR NIGHT VISION: The camera comes with a rain cover, which can effectively prevent rain and vandalism. Built in infrared sensor and 120º wide angle camera, you can see visitors clearly even in dark night. 4. MULTIPLE DEVICE INTERCONNECTION: Multi device connectivity is possible, with all monitors able to see, hear, talk to the outdoor doorbell and unlock the door. 5. WALL MOUNTING, WIDELY USED: Wired connection with stable signal, equipped with adapter, rain cover, mounting bracket, 4 core wire, screws and other accessories, can be used in apartments, villas, hotels, offices, public buildings. Specification: Item Type: Video Doorbell Material: ABS Weight: Approx. 960g / 33.9oz Camera (Outdoor): Camera: 1/4 HD CMOS Light Source: 6 Infrared Lamps Resolution: 800x600 Monitor (Indoor): Resolution: 800x480 Wiring: 4 Wire. Package List: 1 x Indoor Display1 x Outdoor Doorbell1 x Outdoor Doorbell Rain Cover3 x Connection Cable8 x Expansion Screw9 x Metal Screw1 x Plug5 x Unlocking Card