The H4 Xtreme White Plus Series of high output replacement bulbs give drivers better color recognition, depth perception, and improved contrast over stock halogen bulbs. Xtreme White Plus bulbs feature a crisp white light output that allows for better road illumination, while a blue top coat adds style to your vehicle with the Xtreme White's 4000k color temperature.
H4 XTreme White Plus Twin Pack Halogen Bulbs installation instructions
Please keep making these halogen bulbs for headlights: I put them in my bikes, cars, off-road vehicles: They are exceptional: I don't like LEDs for headlights, I like these H4 bulbs
All I can say is these bulbs are way better then my OEM for my DL 650 Vstrom motorcycle