Features: New USB-C charging technology, hidden charging port design (patent) waterproof and dustproof, imported micro-processor control stepless dimming, lightweight and portable for outdoor riding, mountaineering, hunting and other outdoor lighting needs. Specs: Material: Aluminum Alloy; Waterproof: IPX6, LED: 2 CREE XPL LED, Lumens: Low: 500lm High: 1800lm, Stepless Dimming: 50lm – 1800lm, Runtime: Low: 5hr High: 2.5hr, Stepless Dimming: 3-100hr, Charger: USB-C charging technology. Trouble shooting information: If you have issues with your headlight not turning on or not charging, please follow these steps to reset the light and hopefully resolve the issue: 1. Take the battery out and put it in backwards. 2. Press the switch twice. 3. Take battery out and put it in correctly. 4. Use your light with pleasure. If this did not resolve the issue for you, your light may have warranty issues. Please contact your dealer for warranty information.