Audio door phone for villa (doorphone) (WL-06DS3C)

Power Source
Transformer or adaptor ( AC 110V - 240V )
Assurance_temperature
-40~+ 50oC
Max_Wiring Distance
Within the distance of 50meters, from the door station to main indoor phone,take use of RVV5X0.4 multi-core copper wire.
Ring Bell
Ding Dong
Wiring
4 wires in polarity.
Extension
One door station supports four monitors,includign one main monitor and three extra monitors.
Door Release function
Signal Unlocking
Specification
Features: 1) double dingdongchime2) 1 door station can connect to 4 handsets at most3) Power supply: adapter4) Flush mount for door station.