DinoBryte - The light with the bite! The perfect accessory for dino-loving boys, girls, or adults! DinoBryte roars three times and the light is turned on when the mouth is closed. Close mouth again to turn off. 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.