Thông tin mô tả
Allows a choice of 3 CHANNELS to talk to or monitor any number of rooms or offices.
3 channel (A, B, C) extend up to 4 units.
Designed P.L.L.(Phase Locked Loop) circuitry prevents noise , clear and crisp.
For CONTINUAL communication or monitoring , simply press the LOCK button.
Dimensions (W/H/D)mm :183/130/35.