Nightstick MT-210 Mini-TAC PRO Metal Multi-Function LED Flashlight-1 AA, 4-Inch, Black Durability and safety tested for the toughest situations Designed in the USA with quality materials Used in tactical, outdoor, Recreation levels 120/55/30 Lumens multi-function flashlight Momentary or constant-on, plus 3 user-selectable brightness settings plus strobe Aircraft-grade 6061-T6 aluminum housing Waterproof (IP-X7) Powered by one AA battery (included)