Introducing Nightstick TAC-540XL, a compact, recharge-compatible, and multi-function, metal Xtreme Lumens tactical flashlight. It is equipped with a Cree LED that boasts a lumen rating of 800. This LED combines with a high-efficiency deep parabolic reflector enabling a usable beam rated at 205 meters.Featuring a tail-cap switch, it provides either momentary or constant-on functionality. In addition, it flaunts user-selectable settings of high, medium, or low brightness levels and a disorienting strobe. The Nightstick TAC-540XL is powered by two CR-123 batteries (included) which are fitted into the provided CR-123 Battery Carrier.Constructed from aircraft-grade 6061-T6 aluminum, the housing and tail cap of this flashlight are highly durable and possess a Type III hard-Anodized finish. By adding the optional rechargeable Lithium-ion battery, charger, and power cords, this light can be effortlessly upgraded to a rechargeable model.