Description:MAX Lumens: 2000LMReflector: Convex LensMaterial: Aluminum alloyBulb: T6Switch: Tail-cap press ON/OFFBattery: 1 x 18650 Battery (Not include battery)Size(L x W x H): about 116 x 33 x 23 mmColour: BlackFeatures:Skid-proof design waterproof designClip for convenience carryLight-Output 3-Modes: high， low， Strobe (flashing)Adjustable focus range for different usage， stretching to adjust its focusWater-resistant ， can use it in rainy day， but can not put it into waterSuitable for hunting， cycling， climbing， camping and outdoor activity etcPackage Included:1 x Flashlight(Not include battery)??