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The Thunderclap Alarm Clock

This is the alarm clock that wakes even the most stubborn sleepers with a 113-decibel ringer that's as loud as thunder. Sleepers can adjust the alarm tone and volume up to 113 decibels to create a customized sound that is certain to compel them to get out of bed. Far from relying simply on sound, the alarm clock can be set to flash its three bright red LEDs and the included vibrating pad can be placed under a mattress to provide an insistent, bed-shaking tremor that serves as the last line of defense against oversleeping. The clock plugs into AC and has a 9-volt battery back up (battery not included) that powers the alarm during a power outage. 5 1/2" Diameter x 3" D. (1 1/2 lbs.)

I have been known to sleep through alarms. Not with this!! The buzzer really does shake me AND it is noisy. One cannot sleep with the loud beeping and buzzing.- G, California




Lifetime Guarantee

The Thunderclap Alarm Clock comes with The Hammacher Schlemmer Lifetime Guarantee. Items that we sell are guaranteed for their normal life under standard non-commercial use.

Should any product fail to meet your expectations, we will replace it or refund the cost of the item less shipping and service fees. Returns older than one year will be credited in form of a gift certificate.

Should you have any questions, we are available seven days a week (Monday - Friday 7:30 AM - 9 PM EST and Saturday - Sunday 7:30 AM - 8 PM EST) Please call 1-800-321-1484 to speak with a specialist or email us at to receive a response within 24 hours or less.

Item 81186
Price $49.95
Available for Immediate Shipment.
Add One 9-Volt Battery Single Pack for $4.95

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