1.auto head lamp 2.HID conversion kit 3.good quality and good price 4.manufacturer from China ... our German machines and Korean machines2) Lamp types: D2R, H1, H3, H4, H4 (H/L), H7, H11, 9004, 9005, 9006,9007,D2C ... info: Professional installation required.9.Failure rate<0.5%, Solve can-bus problem10.International certifications: ISO9001:2000,ISO/TS16949,CE,E-MARK ...