... 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 ... Infrared Night Version camera,work well even in dark environment;2.4 G Frequency-Hopping Spread Spectrum technology afford stable digital ...