High-Powered LED Flashlight Technology - tactical light puts out 550 lumens at 4,612 candela, in a sharp, focused beam to 136 meters Ambidextrous Rear-Facing Switches - finger-toggle constant-on or momentary rail-mounted flashlight Waterproof - IP-X7 waterproof rating for dependable self defense use Impact and Chemical Resistant - stands up to heavy use and quick draws, solid impacts, and corrosive chemicals without failing police and first responders Aircraft-grade 6061-T6 Aluminum Housing - solid construction is tough and lightweight with Type III anodized finish black light housing 1 CR123 Lithium Battery (included) - provides 2.5 hour continuous runtime Modular rail inserts - versatile TCM tactical flashlights slip on under barrel and serve as self-defense lights, airsoft or paintball tactical light Compact and Lightweight EDC Flashlight - everyday tactical gear rail-mounted light weighs just 2.5oz. (2.5 inch length, 1.1 inch width, 1.2 inch depth) Serialized for Personal Identification Limited Lifetime Warranty