Be sure you won't sleep through calling visitors again with the Bed Shaker Receiver. It wirelessly communicates with compatible transmitters, such as the Door Signal Transmitter, to alert when your system has been triggered. You can be notified of telepho
RF-RBREC Wireless Amplified Audio Receiver
This receiver/transmitter obtains audio signals wirelessly from a paired audio device and sends them up to 150' away, so you can listen to your favorite tunes in up to 8 rooms of your home.