What you are viewing is a 7inch Color LCD Display Video Door Phone System with Chargers and Cables NVDP123!This 1-to-3 video door phone home intercom system comes with 7 inch color display. Built in high definition camera, adjustable in four directions: up, down, left and right for best view. The chroma and brightness is adjustable. There are 15m cable and an adapter in the package for DIY. Sounds from three indoor units will be heard and image will be presented on the video indoor units of the Color Door Phone System when someone presses the button of outdoor unit.Color Door Phone System is suitable for the villa with one door and three main rooms. Video door phone intercom will bring you much convenience as well as safety.