The 4-Cell D White Star Flashlight (Black) from Maglite is a rugged, high-intensity incandescent flashlight. It features an anodized aluminum construction that is corrosion, water, and impact resistant, and has a spot to flood adjustable beam with cam action focus. It is powered by 4 D batteries with a runtime of 10 hours (batteries not included). This flashlight is an excellent choice for a combination of rugged durability and the dependability that Maglite is known for.