Detailed Product Description

Villa type outdoor unit 
Base function:
1) It can be mated with 1~6 indoor units
2) It can call the indoor unit to make the intercom and unlock by the indoor unit
3) The door set is equipped with the infrared diode to ensure the clear pictures in the night.

Base technology parameter:
1) Power: DC18V (supported by the indoor unit)
2) Wiring: 4 wires (if includes unlock components then 5 wires)
3) Current:
4) Static state: 20mA
5) Dynamic state: 160mA
6) Communication time limit: 75 seconds
7) Working temperature: -40°C-+70°C
Indoor unit
Base function:
1) It can make the intercom with the outdoor unit
2) It can unlock the outdoor during the intercom
3) It can supply the power for the outdoor unit

Base technology parameter:
1) Ring sound: "ding.dong"
2) Power: DC18V
3) Temperature: -10°C ~ 55°C
4) Humidity: 45 - 95%
5) Distortion: <5%