One of the most powerful and advanced StVZO certified e-bike cycling headlights, this light is housed in an expertly machined aluminum body with cooling fins that are engineered to maximize lumen output efficiency. Cutting-edge programming gives this light an innovative high beam/low beam system controlled by a remote switch that lets the user easily toggle between two modes - 600 lumens or 1000 lumens - on-the-go via a handlebar mounted button. Thermal management is built into the programming, and it comes with an integrated 130 cm (51.2 inches) cable that connects to the e-bike's motor/battery system. Two mounting options are also included - one Composite Matrix front mount and one machined aluminum fork mount. Compatibility: 11-15v input, 8.5w LB / 16w HB. Download the manual below for further installation and compatibility details.