DESC: QTY Instock: 14 ( Same Day Shipping )Talk from any station to all other remotes/stations "Hands-free" answering at all remotes/stations One button talk/listen: Push to speak, release to hear reply Private mode prevents unwanted monitoring Answer door from any remote/station Control radio and CD player from speaker; on/off, select radio memory channels/CD tracks Use IR-80 rough-in Interior speaker for use with the IM-4406 Voice/Music Intercom SystemItem code#: ISA448WH(weight: 2.67)