4-wire 4 inch B/W Video Door Phone

Monitor
Energy source: DC15V, Power consumption: Max. 14W, 2.4W (Standby)
PRC CRT: 4 inch CRT, Indirect View, and Flat Type
Resolution: 300 Lines (horizontal)
Operating temperature: 0°C ~ 40°C
Call Sound: Strokes Electronic Chime
With Door strike Key
Communication: Simultaneous with handset automatic cancel after 60 seconds
Camera
Power Source: DC15V
Power Consumption: Max. 3W
Camera unit: B/W CMOS, 93600 pixels
Minimum illumination: 1 lux/ F 2.0,
Operation temp: -10°C to 45°C.
4-wire 4 inch B/W Video Door Phone