These powerful, hands-free LED lights generate a brilliant, long-lasting beam with daylight color and definition. They even run up to 10+ hours (on the low setting). The removable, washable, and adjustable headband on this LED headlamp comfortably fits adults and children alike. Weighing only 3 oz with batteries, it is the ideal headlight for outdoor adventurers. The headlights are designed with a 45-degree adjustable head to direct light exactly where you need it. In addition, they are water resistant and shockproof, suitable for rain or snow, indoors or outdoors.