The Simson Radiant headlight is a robust headlight of high quality. The white LED has a light output of 7 Lux. This headlight has an optical reflector and a surge protector. The headlight is easy to attach to the crown piece of the front fork. Then connect the lamp to the hub dynamo with the included lighting cable. Features: For 6 volt 7 lux Overvoltage protection Specifications: Color: black Material: plastic Lighting type: LED Power supply: hub dynamo (6V) Mounting: front fork Light output: 7 lux