Easily turn the headlamp on and off by simply swiping your hand in a downward motion in front of the motion sensor. This allows you to quickly turn on the light when you need it and off when you dont. COB LED HEADLAMP WITH MOTION SENSE ON/OFF • Ultra bright 3w COB LED headlamp • Brighness control - 2 settings 300 &150lm • Smart on/off motion sensor • 45° tilt light for flexible light positioning • Ultra lightweight design • Adjustable headband with non-slip grip