The JetBeam III M XM-L is a powerful tactical flashlight specially designed with military, law enforcement, hunting and self-defense applications in mind. Incorporating a premium CREE XM-L LED, the light has a maximum output of 450 lumens and a maximum runtime approaching 200 hours. It's intuitive user interface allows for rapid switching between two modes. The user-defined mode allows users to choose from multiple levels of brightness, and even allows you to select the frequency of strobe. The 3M XM-L has a aircraft grade aluminum alloy body with a type-III, military-grade, hard-anodized finish and stainless steel crenulated bezel; making it indispensable for all of your difficult tasks.Features: CREE XM-L LED Maximum Output of 450 lumens Maximum Runtime of up to 200 hours Intuitive user interface allows rapid switching between two modes User-defined mode allows for customized brightness levels and a multitude of functions Tactical Forward Switch Stainless Steel Crenulated Bezel effectively protects against impacts and can also be used as a glass breaker or defensive tool Removable two way pocket clip has an anti-roll function Compatible with both CR123 lithium and 18650 rechargeable Li-ion batteries Specifications: LED: CREE XM-L (T6) Reflector: Aluminum reflector Lens: Coated mineral glass Material: T6061 Aircraft Grade Aluminum Alloy Finish: Type-III Military-Grade Hard Anodized Battery Configurations (batteries not included): 2 x CR123 (RCR123) 1 x 18650 Dimensions: Head Diameter: 1,3" (33mm) Tube Diameter: 1" (25.4mm) Total Length: 5.43" (138mm) Weight: 4.162 Oz (118g) (Without Battery) Waterproof: IPX-8 Standard Waterproof to 6.5' (2m) Accessories: Lanyard, Spare Rubber Tailcap Switch Cover, Spare O-Ring