The SheerVision FireFly Infinity™ Surgical Headlight is twice as bright as many LED headlights with 54,000 Lux of light. With ultra-lightweight comfort and superior light uniformity the Infinity is a single affordable package. Featuring hands-free, powerful illumination the system includes two five-hour batteries and a rapid charger. The headlight fits any manufacturers’ loupes and can also be mounted on a headband.