The original Sonic Boom Clock and Notification Hub receives all the incoming notifications from Sonic System transmitters and send out alerts to the receivers, while also acting as a reliable, extra loud alarm clock. Large and easy to use buttons and controls. Resonant 113 dB alarm with adjustable alarm and snooze duration. Bed-shaker (included) connection and lamp-flasher outlet. Easy plug-and-go connection to other System Signaler devices using your home electrical system.