One Pair (2) D2C D2R D2S 10000K Xenon HID Blue OEM Size Bulbs 35W D2C fits both (D2R ,D2S) Blue 10000K HID Bulb 35W. Xenon Gas Filled HID bulb. No Filament More light output. A 35W HID light source produced up to 3 x the lumens at the light source when compared to a 55W halogen bulbs. 10000K Aftermarket Blue Popular Factory HID Headlight Upgrade Longer Life. HID lamps will last, on the average over 2 times as long as halogen bulb. D2C for Both D2R and D2S Replacement Bulb for your Luxury Cars, such as Mercedes-Benz, BMW, Audi, Lexus, Infiniti, Acura.....