PERDE Xenon HB4 9006XS Headlight Low Beam Light Bulbs Diamond White 6000K Light Bulbs Number: One pair of HB4 9006XS. Spec: 12V 55W. Single Filament Xenon & Krypton Enhanced Halogen Bulbs. 6000K Diamond White Look. Easy to install without modification, simple plug & play. Brighter Illumination and Safer Driving, DOT Approved Street Legal. Quartz Crystal Capsule manufactured by Pacific Quartz and pressurized with a proprietary gas combination to 15atm Lifetime Replacement Warranty provided by PERDE