sell Audio Door Phone for Villas

Features:

1) 30s sixteen-chord melody ring, 120s confidential conversation

2) Two rings for option, but one door station can only have one ring

3) 3-level volume adjustable

4) Intercom functions, the indoor phones can have a inner-calling between each other

5) Flush-mount for door station

6) 4 wire polar connection among door station, main monitor and monitor

7) Trigger signal to unlock (workable with various locks)

8) Power supply: adapter plug-in

9) Dimensions:

a) Door station: WL-06Nd2 164 x 126 x 42mm

b) Indoor phone: WL-06NFaH 216 x 94 x 59mm