The Dorcy motion USB rechargeable LED headlamp can be used in regular on/off mode or used in motion sensor mode with a simple wave of the hand. The motion sensor feature is perfect for when you have wet, oily or gloved hands. This lightweight and compact headlamp features a washable adjustable head strap, a pivoting head for directional lighting. CREE XTE LED and COB LED and red LED night vision bottom COB to light pathway at feet battery - 1800 mAh lithium-ion rechargeable battery included. Water-resistant IPX4 runtimes - (1) XTE max - 3 hr, (2) XTE low - 9 hr, (3) COB - 9 hr, (4) COB XTE - 135 min (41-4359).