Features:Super bright、 blinding effect.Skid-proof design & waterproof design. 3-mode adjustable Brightness、 High、 Low、 and Strobe.Output bright can come to 600 lumens (MAX).Adjustable focus range for different usage、 stretching to adjust its focus.Working voltage is wide and can utilize the batteries in the largest extent. cycling、 climbing、 camping and outdoor activity etc. Specifications: Colour: BlackLumens: 600LMReflector: Convex LensMaterial: Aluminum alloyModel of LED: CREE Q5 LEDSwitch: Tail-cap press ON/OFFBattery: 1 * 18650 3200MA Battery (Not Include)Size: 13.5cm*3.4cm*2.6cmWeight: 300g Packing:100% brand new1*LED FlashlightNote: does not include a battery and charger!! SHAZIXIUTAO XIAOWEI