Nightstick NSR-9746XL Metal Multi-Function Full-Size Rechargeable Flashlight Durability and safety tested for the toughest situations Designed in the USA with quality materials Used in tactical, outdoor, recreation levels Aircraft-grade 6061-T6 Aluminum housing Powered by Lithium-ion rechargeable battery LED Flashlight - 420 Lumens Momentary or constant-on, 3 brightness levels & strobe Beam distance rated at 500 meters Aircraft-grade 6061-T6 aluminum housing