The Aiphone C-123LW: Dual master set includes a door station (C-D) and 2 master stations (C-ML/A). Additional masters may be added. Each master requires a separate power supply, either the SKK-620 or 4 "C" batteries. The door station calls the masters by pressing a call button that initiates a chime. Communication is is Push to talk/release to listen at the master and hands free at the door station. Communication times out after being idle for twenty seconds
Features:
- Open voice door answering with door release
- Adjustable communication volume
- Automatically turns off in 20 seconds
- Battery or DC power supply
- Optional door stations for replacement of C-D: any LE or LS Series
- Second inside room station
