"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 ... the call;Built-in 16 doorbell chimes for option;Intercom Function,clear talk quality;Calling ... Signal/Removable Recharge Battery,display on Indoor Phone.ABS Environmental Material,conform to European,American ...