The Maglite® XL50™ LED Flashlight delivers user-friendly, performance oriented features in a sleek, tactical desgn and is driven by the next generation of MAG-LED® technology. It is easy to use, offers a powerful projecting LED beam, has a push button tailcap switch and has a compact, pocket size design. Features include: "Spot-to-Flood" adjustable LED beam; Anodized for corrosion resistance and durability; Rugged, machined aluminum case; Intelligent Energy Source Management-continuously monitors the balance between high brightness and efficient power usage for prolonged battery life. Powered by three (3) AAA Alkaline batteries (included) and is individually serial numbered.