Features:1. Made of aircraft-grade aluminium alloy. Sturdy and durable for long time using.2. Outstanding focusing optic system provides superior beam consistency from spot to flood3. Water resistant design. Each part with O-ring(But cannot put into water directly).4. Compact size and a convenient strap for added portability5. Suitable for working, hunting, climbing, fishing, camping and outdoor activity etc. Specifications:Color: BlackEmitter BIN: T6 LEDLumen: 90000 LumenMaterial: Aluminum AlloySize: 5.5 x 1.57in Light Color : WhiteBattery Type: 1x 3.7V Li-ion Battery / 3x AAA Batterywithout AAA batteryZoom: Telescopic zoomSwitch Type: ClickSwitch Location: BottomModes: 5 (High > Middle > Low > Strobe > SOS), slight press the button to change mode.Mode Memory: NoLens: Coated Glass LensCarrying Strap: Strap IncludedPackage Included: 1*flashlight+1*battery+1*us charger