- Sonic Alert Combination Alarm Clock with Bed Shaking Vibrator- 113 dB extra-loud alarm with adjustable tone and volume control- Built-in receiver for other Sonic Alert signalers Models SA101 SA201 RH100 BL300 - Lamp connection- Flashing alert lights- User selectable snooze time- 12 or 24 hour format- User selectable alarm duration- Maintains time and alarm setting in the event of power failure- Steady or pulsating vibrator
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