Features:This TrustFire torch uses of a 3x CREE XM-L T6 LED, producing very bright beam of light.Output bright can come to above 3800 lumens [lm]Internal wiring applies the high efficient booster circuit, and can utilize the batteries in the largest extentThe 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.Specifiction:Emitter Type:3x CREE XM-L T6 LEDLight Color:WhiteLED Quantity:3Battery Configurations:2x18650 3.7v / 3x18650 3.7VSwitch Location:Tail5 switch Mode:high / middle / low / strobe / sosBrightness:3800 lumensLED Lifespan:100,000 hoursMaterial:AluminumLens:Coated Glass LensReflector:Aluminum smooth reflectorCasing Color:BlackSize(mm):225 x 55.5(bezel)/26.5(body)Package Included:1 x Trustfire CREE XM-L T6 LED Flashlight