The Cateye Volt 1200 pumps out 1200 lumens of vampire hunting brightness for class winning performance at an amazing price! Using Cateye's photo metrics and advanced lens technology means that every bit of light output is optimized, putting the light right where you need it. This light features an integrated Lithium-ion battery that charges in 8 hours by USB, low battery indicator, broad beam with 2 super bright LEDs and 5 modes for efficient light usage. Runtime on high mode is 2 hours, med is 5 hours, and low is 17.5 hours, and weighs 214 grams. On or off road, race training or commuting, this light delivers fantastic output.