This 100 Lumens LED Headlight (3-pack) is a great hands-free illumination device when you are working, biking, caving, camping, hiking, hunting, boating or performing delicate operations. The headlamp is constructed of tough ABS plastic with an adjustable elastic head strap and an adjustable headlight. 4-modes arrangements, high light, low light. red, and red flashing. 9-pieces AAA batteries are included to power all 3-devices. Durable ABS plastic construction.