door intercom system Aluminum shell, water proof and anti-shock. Use one main cable 4-digital led

door intercom system

1)Every floor has its own control box

2)easy for wiring and installation

3)simplified from traditional intercom system

4)Size    315*125mm

 5)Mounting Size      275*110mm

6)Consumption    working 3W,standby 1W

7)Temperature       -10°C~+75°C

8)Humidity        45%~90%

9)Mounting Method      Flashing

door intercom system