Feature: 1. The flashlight is made of premium aircraft-grade aluminum alloy material, which is sturdy and durable for long time use. 2. The light source is from CREE USA XHP50 that provides 90000 lumens of superb brightness with a illumination range of more than 500 meters. 3. 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 cannot be placed in the water.) 4. 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. 5. The internal wiring uses a high-efficiency booster circuit with a wide operating voltage to maximize the use of the battery. LED has a lifespan of up to 100, 000 hours6. It is perfectly suitable for work, hunting, climbing, fishing, camping and other outdoor activities, etc. 7. Powered by 18650 battery with BMS up to 2600mAh or more battery (optional). Support USB charging. You can charge by laptop, car charger, power bank, ect…..