Sonic Bomb Digital Travel Alarm Clock with Sonic Shaker Bed Vibrating Feature, 90 DB Extra-Loud Alarm, Bonus FREE Travel Case with Pillow Strap & Batteries Included Sonic Boom Portable Vibrating Alarm Clock with Powerful Vibration Powerful shaking vibration with Swivel and flush display protects settings Easy to read .75" display, Manually lighted display saves battery life Ideal for deep sleepers, the hard of hearing, and the elderly Bonus FREE Travel Case with Pillow Strap & Batteries Included