Halogen bulb with UV Filt as the color of the emitted light 4000 Kelvin (Xenon lamps have a color temperature of 4300 Kelvin outputs). Light bulb with a characteristic blue-white daylight supports enhanced driver's attention, better lighting brands and higher concentration of traffic. Night riding is less tiring for your eyes, make your ride even in poor visibility, better reflects the brand in all weather conditions. Approved for use on public roads.