The Nightstick Xtreme Lumens Metal Tactical Flashlight combines an 800-lumen LED with a deep parabolic reflector for a 205-meter distance. This rechargeable flashlight features a tail-cap switch for access to momentary or constant-on functionality. The housing, tail-cap switch and bezel are made from 6061-T6 aluminum with a type III anodized finish, plus it comes waterproof, impact and chemical resistant. What’s more, this Nightstick flashlight can run on a rechargeable lithium battery or two CR123 batteries.