Powered by a USB-rechargeable, two-cell Lithium-Ion battery this 2200-lumen dual-lamp light can be mounted your handlebar, helmet or headstrap to sit at your preferred position as you go all out in darker conditions. Emitting a super-wide 25-degree beam angle, a highly-visible ride is assured with every use. Housed within a durable polycarbon body, the Duo 2200 is ideal for year-round use and withstands the bumps and bangs associated with rough trail riding to give a reliable and robust showing. The battery unit of the light also features a Type-C USB port to let you charge your other mobile devices and computers as you ride. With a two-hour runtime at full power and an integrated battery fuel gauge to let you measure your power levels, this mightily modern front light by Gemini is a top pick for the venturesome, any-time cyclist.