Advanced StVZO certified e-bike cycling headlight. This light is housed in a high-quality machined aluminum body with computerized thermal management to maximize lumen output efficiency. Running on cutting-edge programming, this light offers up to an impressive 500 lumens of output. It comes with an integrated 130 cm (51. 2 inches) cable that connects to the e-bikes motor/battery system. Two mounting options are also includedone Composite Matrix front mount and one machined aluminum fork mount. Compatibility: 11 15v input, 7. 5w.