The KLARUS rechargeable USB headlight provides 440 lumens of brightness, which is super clearly visible at night; smart sensor design, 5 brightness modes; compact and ultra-light, zero stress on head. It is very suitable for night work, dog walking, night running, fishing, hiking and other indoor and outdoor activities. Charge for one hour and illuminate the whole night, no matter where you are, HM1 can give you a full sense of security. Put on the KLARUS headlight now and start the dark adventure journey to help you illuminate the way forward!