The Nextorch Glo-Toob is a waterproof, high-intensity light that's perfect for camping, boating, scuba diving, cycling, hiking—the list goes on. The Glo-Toob has 3 lighting modes and lasts between 4 - 15 hours on one battery (which is included). In its cylindrical form, the Glo-Toob's light is visible from 360 degrees, and is perfectly suited to having in you keychain, car, or on the included lanyard. Waterproof up to 200ft.