The M22 carries on Olight"s famous Warrior line of tactical flashlights. A forward-motion tail switch allows for one-handed operation while weapon mounts and diffuses add to the versatility of the device. An advanced Cree XM-L2 LED generates a maximum of output of 950 lumens using 2 x CR123A"s or 1 x 18650 battery, making it one of the brightest tactical 18650 lights available. Huge outputs are coupled with impressive runtimes. Features: High efficiency driver circuit Enhanced tactical application; directly activate high mode or strobe from OFF position Thick stainless steel bezel for self-defense and lens protection Anti-scratch type III hard anodized aluminum body Large heat-sink at head of light allows efficient operation Smooth reflector Ultra-clear lens with anti-reflective coatingIPX-8 Water resistance Includes: Diffuser, Holster, battery Magazine, Lanyard, Spare O-Rings, Spare Rubber Boot, Manual, Warranty Card Specifications: LED: Cree XM-L2Runs on: 1 x 18650 or 2 x CR123A batteries (NOT included)Output/Runtime: Low: 20 Lumens/30 Hours Medium: 250 Lumens/3 Hours High: 950 Lumens/1 Hours Dimensions: ◦ Length: 5.67" (144mm)Diameter: 1.61" (41mm)Weight: 5.15 oz. (146g).