Ringmaster Cell Phone Ringer
Serene's external ringer can alert you to either a standard phone OR a cell phone ring, with a super loud ring adjustable up to 95dB and a flashing signal. For cell phone use, attach your phone directly to the unit, and when the cell phone vibrates upon receipt of a call, it activates the ringer. Ringer has selectable ring patterns and tones to tailor your signal. Can also be used with an optional bed-shaker to alert you while sleeping. Requires AC adapter (included) with battery backup (not included).
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