Product Description CS-200SV-7+CS-300SV-6 video door phone, from China professional video door phone manufacturer. Function: 1)video door phone applies to the villa or single room 2)Supports video door phone, intercom, video, monitoring and the door releasing 3)video door phone with infrared auxiliary 4)Supports 4 indoor phone parallel connection and inter-call 5)video door phone support several chord bell selectable 6)video door phone Mate with remote controller 7)Connection layout: 4wires Specification: Model: CS-200SV -7(outdoor station) Specification: Material: Alloy Power source: DC12v (power from indoor phone) Camera: CMOS or CCD Lens: F=3.6mm Minimum illumination: 0.1Lux Light source: 6 IR LED Power consumption: 2.5w Operating Temperature: -10 deg to +50 deg Installation: Wall- mount Wiring: 4 wires/2 wires Wight (Kg): 1.1 Model: CS-300SV(C) -6 (indoor phone) Material: Alloy Power source: DC15V/ AC100-240V CRT/LCD: 7 Colour TFT LCD Resolution: 960(W) x 780 (H) Power consumption: 10W Picture memory: Yes Operating Temperature: -10 deg to +50 deg Installation: Wall- mount Wiring: 4 wires Dimension (W x H x D): 250x 160x 44(mm) Wight (Kg) 0.9