Door station:
Functions: calling/intercom/unlock the door/monitor
Camera: CCD/CMOS optional
Input voltage: 15V DC
Minimum Illumination: 0.1lux
Connection: 4 wires
Ambient temperatures: -10 to 50°C
Material: aluminum panel with rain cover
Installation: surface mount
Product dimensions: (W) 129 x (H) 120 x (D) 42mm

Indoor video phone:

Functions: intercom/unlock the door/monitor/transfer
Screen: 7-inch color LCD monitor
Input voltage: 15V DC
Power consumption: ≤2W (standby), ≤7W (working)
Communication: hands-free
Connection: 4 wires
Resolution: 800 * 480
Ambient temperature: -10 to +50°C
Housings: plastic
Installation: surface mount
Product dimensions: (W) 240 x (D) 150 x (H) 25mm