"video door phone",video intercom system,color video door phone,200M remote range,waterproof,CMOS Night Version camera,OEM "video door phone",video intercom system,color video door phone,200M remote range,waterproof,CMOS Night Version camera,OEM Specifications:2.5" TFT LCD Screen;Remote Range:200M(in open area);Waterproof Transmitter,enable to avoid of rain/stream,etc;Wide angle lens and Infrared ...