The light source is from XHP90 that provides 1100000 lumens of superb brightness with a illumination range of more than 500 meters. This flashlight is rated as IPX65 waterproof grade to protect against spray water in any direction, which makes sure your LED headlights stay on while raining. But it can not be placed in the water. The headlamp has 5 light modes including high light mode, moderate light mode, weak light mode, SOS and strobe mode. It can meet your different needs in different environment. The internal wiring uses a high-efficiency booster circuit with a wide operating voltage to maximize the use of the battery. LED has a life pan of up to 100,000 hours It is perfectly suitable for work, hunting, climbing, fishing, camping and other outdoor activities, etc. Powered by 18650 battery or 26650 battery -optional. Support USB charging. You can charge by laptop, car charger, power bank, etc. Specifications: Material: Aluminum Light source chip: XHP90 3 Light mode: 100percent -70percent-50percent-Flash-SOS/ High More than the Low More than the SOS Lumen: 1100000- lm Charging method: Micro USB direct charge Power: 2x 26650 battery Range: More than the500m LED life: More than the100000h Zoom: Zoom lens- zoom in / zoom out Waterproof grade: IP65 Size: 250mm x 60mm x 35mm-shrink/ 270mm x 60mm x 35mm -stretch Package Included: 1 x Flashlight 2 x 26650 Batteries 1 x USB 1 x Box Notes: The colors may be a little different for the different monitor display. Please allow minor deviation due to manual measurement