Model IS-518 8" Indoor Speaker

• "Selective call" intercom, allows calls to be made between two selected stations • "All call" intercom calls all stations at the same time • "Hands-free" answering at all stations • One button talk/listen: Push to speak, release to listen • Audible signal announces someone is calling • Answer door from any intercom station hands-free • "Listen-in" monitoring for stations such as keeping tabs on baby or person confined to a bed • Private mode prevents unwanted calls • Separate electronic touch volume controls for intercom and program volume • 10-1/8" x 11-1/2" x 2-1/8" D - Projects 13/16"