Force class light. With 1 high-performance LED and 2 lighting modes. It attaches to handlebars from 22.2 mm to 31.8 mm without tools, but it can also be mounted on helmets thanks to the helmet mount included. It charges via a micro USB cable and has a 1200 mAh li-po battery that charges in 2-3 hours. The light has a battery life of up to 12 hours. It is a quality solution for your night rides with your bicycle.