Philips WhiteVision 3700K Halogen Bulbs Xenon Effect (H4 Twin Pack) H4 (9003) 4300K White Xenon effect for a stylish look with Patented 3rd generation coating technology Crisp beam with up to 40% whiter light; 55W/60W Up to 60% more light on the road ahead to maximize clarity Greater contrast for improved visibility and safer driving; Best-in-class lifetime for extended driving pleasure Pack of 2; Road legal; Longer beam pattern; Designed in Germany; Made in Europe