Feature:Model of LED: Cree XM-L T6 LEDBody Material: 6061T Durable Aluminum Reflector with smooth reflector face.Max output : 3800 lumens (MAX 、when using 18650 battery)Focus: Stretching to adjust its focusDistance: 200-400 metersLifetime-above 10、000hrs5-mode adjustable Brightness、 High/Mid/Low/Strobe/SOS (slightly click the tail cap to select)Super Bright、 blinding Effect"O" ring sealed、 Waterproof、 Water resistant、 Can be used in rainy weather (Don't put it into the water).The ON/OFF push button switch is provided in the end cap.Save 40% power compare with Xenon and Luxeon Bulb.Adjustable focus range for different usageZoomable: x1 / x250 / x500 / x1000 / x2000Operate Voltage: 4.2 VSize (mm) :137mm(Length、can stretch to extent up to 157)x35mm(Head)x27mm(Body diameter)Power supply: 1 x 18650 Rechargeable Li-lithium battery / 3 x AAA batteries (Not Included)Body Color: BlackSuitable for: Camping、 hiking、 Backpacking、 Hunting、 Fishing、 Auto Emergencies、 and Home Repair.Package Includes:1 x Cree XM-L T6 Led Flashlight (not battery)1 x AAA battery holder1 x 18650 Plastic Tube