YALUMI- The Brand You Can Trust. We sell the products that we design and manufacture. We dont do buy and resell. We make our products unique. BEST LED HEADLAMP AVAILABLE We uses sophisticated optical lens for enhanced beam. The efficiency of light output is much better than the cheaper reflector type. White CREE LED with 140-lumen light output and 90-meter beam length provides 187 hours burn time in economy mode.