Powerful lumens and rich features in an ultra-compact space. This pro-line model puts you in complete control of your illumination thanks to Constant Mode, Run Forever pass-thru charging, and 8 different lighting modes that enable you to see and be seen on your next adventure. And with BioLite&';s proprietary 3D SlimFit construction, you&';ll wear major functionality with maximum comfort. Max output 750 lumens Dimmable red, white, strobe & burst mode Dimmable rear red visibility light with solid & strobe Front panel tilts downward with one hand 150 hours LOW, 7 hours HIGH, 8 hours RESERVE 3000 mAh li-ion battery recharges via micro USB