Nightstick MT-110 Mini-TAC Metal LED Flashlight-1 AA, 3.9-Inch, Black Durability and safety tested for the toughest situations Designed in the USA with quality materials Used in tactical, outdoor, Recreation levels 90 Lumens Flashlight Momentary or constant-on Aircraft-grade 6061-T6 aluminum housing Water resistant (IP-X4) Powered by one AA battery (included)