Requires one power supply for each 15 intercoms: VT-PBDC15 + EL-TRG1640
Fits 3 Gang Box - Easy installation into a standard 3 gang box.
Room to Room Communication - allows you to talk with people in other rooms of the home.
Hands Free Reply - When being spoken to from another room, you can answer without interrupting what you were doing. You can respond "hands-free".
Door Answering Capabilities with 9 Built-In Door Chimes - Allows you to answer the door from any room of the house that has a room station
Group Page/All-Call - Allows you to communicate with all room stations at one time.
Private Call Function - Lets you talk privately to just one room station.
Monitoring Function - Listen in on children playing or sleeping babies without them hearing you.
Audio Input Jacks - Allows you to add & control audio output of an AM/FM radio, CD player, tape player, or MP3player.
Back-Lit Keypad - Makes it possible for you to operate the intercom even if the lights are off.
Auto Programming - Once initial programming has been done, the room stations will reset themselves in the event of a power failure or electricity outage.
Optional Auxiliary Board - With this optional feature, you can add home automation. Optional features include operating lights, or numerous other devices
Includes old work mounting ring for retrofit applications.