Offering 310 lumens (115 lux) of intelligent illumination, the Power StVZO Pro E115 e-bike cycling light features computer-controlled thermal management and automatic Day/Night output switching to improve your battery runtime. The CNC aluminum body houses an StVZO-optimized lens and is compatible with both the included e-bike stem mount and CNC Fork Mount. The Power StVZO is compatible with input voltages of 6-12v, draws 6 watts during operation and easily plugs into batteries from top makers including Bosch, Shimano and Yamaha. A 130cm power cable is included.