A head lamp is a lifesaving tool when you need both light and your hands. When your hands are full, turning the headlamp on can be an issue. Not anymore. This headlamp has a motion sensor, all you have to do is wave your hand in front of it to turn it off and on. In addition to being completely hands free, this head lamp takes advantage of CREE technology, and only takes 3 AAA batteries. There are even different light settings to help you in nearly any situation!