Instantly know when you have a phone call with the CR200 ClearRing Signaler's bright flashing strobe and 95dB loud ringer. Simply connect it to your telephone and when you receive a call the bright flashing strobe and the extra loud ringer are activated. It is guaranteed to grab your attention. You can also purchase the optional vibrating pad so you don?t miss those important telephone calls when you are sleeping or if you need a silent signal that the phone is ringing. Place the vibrating pad under your mattress or pillow and when the telephone rings the pad vibrates to wake up even the deepest sleeper. Features: 95dB extra loud ringer Adjustable tone control Bright flashing strobe light Wall or desk mount Jack for optional bed shaker Warranty One year limited warranty Brand ClearSounds Product Type Signaler Returns: Returns requests are accepted within 30 days of the date of purchase through Returns. Returned item(s) must be the item(s) purchased and must be returned complete in new resalable condition with nothing missing.