Sharper Image Sonic Boom! Loud + Vibrating Alarm Clock (SA650) Alarm Clock for Heavy Sleepers --FOR HOME AND TAKE ON TRIP OR TRAVEL !! With its piercing 113 decibel alarm, this alarm clock wakes even the heaviest sleeper. The Alarm Clock for Heavy Sleepers offers dual alarms, plus a super shaker bed vibrator that slips between your mattress and box spring. Wake up to a soft or loud beep, vibration or vibration/beep combination. Features an extra-large 2" digital time display, adjustable alarm tone and volume, high/low dimmer switch, snooze button, 12- or 24-hour format and dual power (50Hz 110V or 60Hz 220V) for overseas use. PLACE POWERFUL VIBRATION PAD UNDER YOUR PILLOW OR EVEN ON YOUR SIDE IN BED OR SOFA OR WHERE YOU ARE SLEEPING AND NEED TO BE WAKEN !! UP !! THIS WILL !! GREAT ITEM FROM "" SHARPER IMAGE"" MAKE GREAT GIFT FOR THE ""HARD TO FIND"" GIFT !! AND FOR SOMEONE YOU KNOW THAT HAS ISSUE WAKING UP !! THEY WILL NEVER BE LATE AGAIN !!