Description: This torch uses of a XM-L T6 LED, producing very bright beam of light. Internal wiring applies the high efficient booster circuit, and can utilize the batteries in the largest extent The body of this flashlight is built of aircraft-grade aluminum alloy, and it has a very solid construction. Hard-Anodized finish; Anti-abrasive, free-scratch, shock-proof. Specifications: Light Color: White Battery Configurations:3x18650 3.7v ( Battery is not include ) Switch Location: Tail 5 switch Mode: high>middle>low>strobe>sos Brightness:6000 Lumens-40000 Lumens LED Lifespan: 100,000 hours Material :Aluminum Lens: Coated Glass Lens Reflector: Aluminum smooth reflector Casing Color: Black Size(mm):285 x 54(bezel)/26(body) NOTE: 1. Please tighten the tail cap, otherwise it might not work because of a loose battery contact 2. Please keep the tail cap and clean, If the control panel of tail cap is dirty, it may cause the battery to a bad contact, resulting in not lit. Package includes: 1 x Single Flashlight ( Not Included Battery )