1, This is 9004 type HID Xenon lamp, which is fit for LINCOLN, VOLVO, and other types of autos. 2, It has got its own patent which is different from Philips. 3, Color temperatures from 3150k(golden color) to 12000k or even higher. 4, Luminous flux from 2000 lumen to 3600lumen. 5, New colors will be on sale soon. 6, CNLIGHT brand or OEM is OK.