4 WORKING MODES: MODES 1 / 1 LED Brightness 60%, MODES 2 / 2 LED Brightness 40%, MODES 3 / 3 LED Brightness 100% , MODES 4 / Strobe. If you have any problems, please contact us and we will offer proper solution for you at the first time. Worry-free 24-month warranty and satisfaction guarantee | BRIGHTEST HEADLAMP KIT: Our rechargeable flashlight use CREE LED bulbs to shine stronger, brighter, and longer than you ever thought possible, Max 10000 lumens. You can have a reliable, hands-free led headlight to brighten up your environment | ADJUSTABLE & LIGHTWEIGHT: Adjustable elastic headband compatible with all of people?s head size, soft elastic is comfortable to wear. It will be a lightweight hard hat light or a bike helmet light while you are camping and traveling | IPX-5 WATER RESISTANT: It protects against splashing water from anywhere, no need to worry about rains, snow. The air-tight rubber sealing protects the LED headlamp rechargeable battery from harm, for ultimate dependability | MULTI-USE: Lamp swivels can be 90 degrees adjusted, convenient for you to light different environment. Helpful tool for camping, caving, climbing, mountaineering, fishing, hunting, car repairing, DIY works or emergency