Rayovac DIY3C-B Indestructible 3 C Flashlight with Batteries Energy saving mode allows for 85-hour run time An amazing 414-foot (138m) beam distance Features an ergonomic design and a tail cap switch for simple one-handed operation Water resistant, lifetime guarantee, and includes 3 C alkaline batteries Shock proof and impact resistant; drop test verified for 30 feet, way above the industry standard of 3 feet