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The compact and reliable Fenix Mini LD01 flashlight strikes a good balance between brightness and runtime. High-quality Cree XP-G LED operates in 3 brightness modes to meet your everyday needs. LED outputs 72 lumens on high, 26 lumens on medium and 3 lumens on low; reliable twist switch adjusts the brightness. 1 AAA alkaline or NiMH battery (sold separately) provides up to 1 hr. 28 min. of use on high, 3 hrs. 8 min. on med and 27 hrs. on low. Regulated output maintains consistent light output over the lifetime of the batteries. Rugged aircraft-grade aluminum body is designed to resist rolling and has a knurled finish for good grip. The Fenix Mini LD01 flashlight has an IPX8 water resistance rating for protection against prolonged immersion in water deeper than 1m (3.3 ft.).