Rayovac Indestructible 2 AA Flashlight, DIY2AA-B Energy saving mode allows for 35-hour run time An amazing 447-foot (149m) beam distance Features an ergonomic design and a tail cap switch for simple one-handed operation Water resistant, lifetime guarantee, and includes 2 AA batteries Shock proof and impact resistant; drop test verified for 30 feet, way above the industry standard of 3 feet