XENON BULB (Main Headlight)  Xenon Bulb (main headlight) lights-up when dynamo hub starts to rotate.
Built-in Light Sensor - Headlight automatically turns ON when the built-in photo cell senses low light.
Compatible to all Dynamo Hubs (6 volts, 2.4 watts)

Made in China

These Items comes bulk-packed without any retail packaging included.