Mifine 5000 Lumens Led Headlamp Flashlight Waterproof 4 Modes Hands Free Headlight with 2 18650 Rechargeable Batteries USB Cable Wall Charger and Car Charger for Outdoor Sports;

Hands-free and adjustable design.Also you can wear it on many kind of hats, like baseball cap, construction hardhat or some motorcycle or cycling helmets. The head of this lamp is 90 degree adjustable up and down and will stay steady after positioning.
Water-Resistant: aluminum alloy + water-resistant plastic material make it works in rainy weather. (Please don't put it under water)