Great for any nighttime activity - walking, fishing, auto repairs, etc. The headlamp is USB rechargeable and comes with a USB charging cable. It has an 18650-lithium battery with 1200mAh. The elastic strap is adjustable for the right fit and the LED/COB light angle is adjustable as well. Indicator light is red when charging and turns off when fully charged. Wear as a headlamp or pull the light out of the headpiece and use in your hands. Also has a magnetic end for handsfree use out of the headband. ANSI certified. 1.5 hour charge time for 3 hour burn. Lumens LED 73, COB 95. Distance LED 66m, COB 16m. Passes 1m drop test.