Flashlight Features:Lifetime-above 10，000hrsSave 40% power compared with Xenon and Luxeon Bulb.3-mode adjustable Brightness: High/Low/SOSSuper 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.Suitable for Self Safety， hunting， cycling， climbing， camping， travelling and outdoor activities Specifications:Color: BlackOperate Voltage: 4.2 VBulb: Super Bright CREE XPE Q5 LEDMaterial: 6061T Durable Aluminum Reflector with smooth reflector face.Max output: 2000 lumens (MAX， when using 18650 battery)Battery Type:1x18650 (not included) Package Content:1x 2000LM CREE XPE Q5 Led Super-bright Adjustable Focus Flashlight