WindFire 1800Lm CREE T6 LED Zoomable Rotating Headlight 3 Switch Modes 18650 Rechargeable Batteries CREE XML T6 U2 LED Adjustable Focus Headlamp Torch Light with Charger and WindFire 4000mAh Rechargeable Batteries Portable LED Headlamp for Hiking, Camping, Riding etc. (2 x WindFire 4000mah 18650 Battery Included) Zoom adjustable headlamp. Luminous Flux: output bright can come to 1800 lumens (Maximum). Stretch out or draw back the headlamp, the beam can be focused to a square light or spread out. Internal wiring uses the efficient booster circuit. Battery can be utilized to the largest extent. Adjustable base is provided for headlamp to rotate 90 degrees, with back and forth inclination. Support waterproof. Perfect headlamp fit for outdoor sports, such as camping, traveling, hiking.