From road to gravel to trail, the USB rechargeable Cateye Volt 1600 Light handles them all with ease by pumping out 1600 lumens through 2 ultra-bright LED. With 5 modes that allow for runtimes from 2 to 100 hours and a powerful wide beam pattern, there's no commute, training ride or singletrack session it can't handle. If you're looking for one light to do it all, look no further than the Volt1600. This light features an integrated Lithium-ion rechargeable battery that charges in 9 hours by USB, low battery indicator, broad beam with 2 super bright LED and 5 modes for efficient light usage. Runtime on high mode is 2 hours, med is 5 hours, and low is 15 hours. On or off the road, race training or commuting, this light delivers fantastic output. 260 grams.