Dont fall asleep on a long drive and become a statistic! Dozing off at the wheel causes countless injuries and deaths on the road. When you drive fatigued, sleep comes on unexpectedly. Before your regain full consciousness, its often too late to make driving corrections. This amazing lightweight device attaches to your ear and instantly alerts you when you start nodding off. It emits a pleasant awakening (not startling) signal that warns you of your current situation. Its an absolute necessity when you have to make those long, monotonous driving trips.