Bellman Visit Telephone Transmitter BE1431The Bellman & Symfon Visit Telephone Multipurpose transmitter connects to your telephone to notify you of incoming phone calls. When activated by an incoming phone call, the transmitter signals the (required) Visit receivers (sold separately). Features Notifies you of incoming phone calls Compatible with all Bellman Visit receivers May be used as a push button transmitter This is not a stand alone unit must be used with Bellman Visit receiver(s) Specs