Functions: calling/intercom/unlock the door/monitor
Camera: CCD/CMOS optional
Input voltage: 15V DC
Minimum illumination: 0.1lux
Connection: 4 wire
Ambient temperature: -10 to 50°C
Material: aluminum panel, with rain cover
Installation: flush mount
Product dimensions: (W) 175 x (H) 95 x (D) 40mm

Functions: calling/intercom/unlock the door/monitor
Screen: 4/4.3"color TFT LCD
Input voltage: 15V DC
Power consumption: ≤2W (standby), ≤7W (working) 
Communication: handset
Connection: 4 wires 
Ambient temperature: -10 to 55°C
Housings: plastic
Installation: surface mount
Product dimensions: (W) 215 x (D) 197 x (H)62mm