... mobile 3, Home automation system 4, CE,FCC,ROHS Certificated ip video door phone,video intercom,video door bell,video intercom ip, 1) Ultra-thin ... , 800X480 resolution, and 24-bit true color display. 4) Video intercom: D1/Half D1 definition, with special audio processing ... management center can issued picture, characters and video information to the indoor phone.10) Visitor message, call records, and ...