Aiphone LEF-5 Open Voice Selective Call Master Intercom with Door-Release Button Accepts Up to Five Connecting Door Sub-Master or Master Intercoms
- Master intercom with privacy button and door-release button works with any combination of up to five door, sub-master, or master intercoms (sold....
- Door-release button controls an electric strike (sold separately) to remotely unlock the entrance for a visitor.
- Five buttons with LED indicators allow the master intercom operator to direct a call and communicate with the desired door or sub-master intercom.
- Privacy button prevents other intercom users in the system from overhearing a conversation with another intercom.
- Listening feature allows the master intercom operator to receive audio transmission from a door or sub-master intercom at any time.