Hella High Performance Xenon Blue H4/9003/HB2 12V 100W/80W, Pair Xenon Gas added to the Halogen mix and the functional Blue tint filter the Yellow Light for a Whiter, Crisper Light Manufactured in Hella's own Factory to their Highest Standards The Whiter Light makes it easier to see road hazards sooner. Color Temperatiure approaching High Intensity Discharge 4300K.