WindFire&reg; 1800 Lumens CREE XM-L T6 U2 LED Waterproof 3 Modes Design Zoomable Rotating Headlamp CREE LED Headlight 18650 Rechargeable Battery Head LED Torch Flashlight with 2 x WindFire 4000mAh Rechargeable Batteries and AC Charger Car Charger USB Cable Charger Set Powered and Charged by Mobile Power Bank, Computer and Any Other Digital Device with USB Port for Outdoor Hiking, Riding, Camping and Other Activities(Batteries included) Zoomable Rotating ,Adjustable base is provided for each head lamp, with back and forth inclination. Applies efficient booster circuit to internal wiring, working voltage is wide. 3 switch modes and waterproof design, aluminum alloy case, avoiding high temperature, anti fall off. This WindFire Headlamp uses revolutionary focus technology, producing very bright beam of light. Wonderful headlamp suitable for outdoor sports, such as camping, traveling, hiking.