Nilight 9004/HB1 LED headlight bulbs apply to High Beam and Low Beam. High luminous efficacy flux up to 10000LM per pair. They are equipped with CSP advanced chip, which emits 100W 6500K 10000ML high brightness output. It is 600% brighter than the factory halogen bulb. Legendary Style, Class-Leading Engineering, 2 Year Warranty - Have a Look!