This security device is now offered here at a wholesale price, so grab the opportunity! Would you like to see who is outside before opening the door? Is your door too far, or are you disabled or elderly person who findsit difficult to walk all the way every time? It's no longer a problem with high tech Video Door Phone. Video Door Phone will add extra security to your home, suitable for villas, home, offices, institutions such places as the use of units.Video Door Phone with 3.5 inch Display,2.4GHz launch frequency, Approx 300meters barrier free remote control distance, With micro-processing technology, auto-remote control, excellent performance and high reliability. Adopting high technology, the Video Door Intercom provides you with great performance. And it is waterproof and oxidation resistant, which is suitable for most environments. This Phone Intercom System offers many functions, such as monitor, call, door-key, no disturber, indoor call and pictures storage. And Video Door Phone System is adjustable for ring volume, picture brightness, chroma and call.This Intercom Video Door Phone comes with power switcher and terminal unit, you can easily install by your own.