Whether you are working, biking, caving, camping, hiking, hunting, boating or performing delicate operations, this 50 Lumen LED Headlight (3-pack) is a great hands-free illumination device. The headlamp is constructed of tough ABS plastic with an adjustable elastic head strap and an adjustable headlight. Nine AAA batteries are included to power all three devices, which have high/low lighting modes to match your application. Super-bright LEDs project vibrant hands-free illumination Durable ABS plastic construction offers lasting durability Adjustable elastic head strap fits most head sizes High and low light offerings to match your application