Coast's PolySteel range combines a tough stainless-steel core with a lightweight textured polyresin coating. The result - a light and super-tough torch which will withstand crushing, impacts (tested with a 3m drop onto concrete), water (waterproof to 3m), heat, and dust. The PS400 offers a pure white LED beam, which can be focused, and 3 power levels: High (375 lumen, 193m beam for 1.5hrs), Medium (105 lumen, 113m beam for 3.5hrs), and Low (33 lumen, 62m beam for15hrs). Uses 4xAAA batteries. 6" long. Lifetime warranty.