W Luxury Gold (1 button 1 ring) New W Luxury Gold(1 button 2 ring) New W Luxury Gold (2 buttons 1 ring) New W Luxury Gold(2 buttons 2 ring) New W Luxury Gold (2 buttons 2 ring) New W Luxury Gold (2 buttons 2 ring) New W Luxury Gold (2 buttons 2 ring) New W Luxury Gold (2 buttons 2 ring) New W Luxury Gold (2 buttons 2 ring) New W Luxury Gold (2 buttons 2 ring)
Intercom type:
Other other
Smart Type:
Other
Transmitter size (button):
42*75*19mm
Receiver Size(Ring:
60*90*30mm
Receiver controllable volume:
0-80dB (four levels of volume arbitrary adjustment)