The light with the bite! The perfect accessory for wilderness-loving boys, girls, or adults! The Sun Company Headlamp roars and the light is turned on when the mouth is closed. Close mouth again to turn off. Includes mode for only light and no sound! Adjustable elastic straps. Super bright white LED powered by 3 replaceable AAA batteries (included). LED protected by focusing lens. Ages 6 and up. Perfect for reading, camping, safety. 2.8" W x 2.7"H x 2.9"D. Weight: 4.2 oz.