For those with hearing impairment or who simply hate the sound of alarms first thing in the morning, the Shake and Wake white plastic alarm clock offers an effective solution. With backlit, 24-hour display, it's a wristwatch-style, battery operated, quartz-movement clock incorporating a silent vibrating alarm feature alternative to its audible tone alarm. Simply strap it on your wrist before sleeping and be gently awakened by its vibrations next morning.