7" Colour Video Door Phone Kits (1:3) - DIT-3TV37

** Sounds from three indoor units will be heard and image will be seen from the video indoor unit when someone pressed the button of outdoor unit. ** Camera of outdoor unit is adjustable in four directions: up,down,left and right for best view and clear picture. ** Waterproof aluminum alloy outdoor unit. ** Night vison! ** No radiation, low power consumption and high definition 7-inch display. ** Hand-free intercommunication. ** Electricity-controlled door release function. ** Monitor the gate. ** Eigth different chord melodies for option. ** Adjustable volume of melodies. ** Adjustable colour and brightness. ** Adjustable intercommunication volume of outdoor and indoor units. ** Enclosed adapter and 15m cables for DIY market. ** Slim fit aluminum alloy indoor unit to enrich the fashionable and luxurious life.