a.competitive price b.high quality c.professional manufacturer d.shock- resistant ... Brilliant Blue12000k---------Violet Purple4.Specifications:1.Low-temperature high-automatic protection function2.Brightness enhanced three times (3200lm ... D2C(D2S/D2R), H3C, 880/881H/L Bulb (Xenon L+Halogen H): H4-2, H13-2, 9004-2 ... Bi-xenon Dual Bulb: H4-4, H13-4, 9004-4, 9007-4\ KY H4 High and Low HID Xenon Bulb