... 18 months 4.Defective rate<0.5% 9007 HID Bi-Xenon bulb 3000K,4300K,6000k,8000k Technic Parameter1)Available Voltage and ... box, 1* manual, 1* warranty card.2.for bi-Xenon kit: 2 pairs of bulbs, 4p* ballasts, 1pc * ... boxes, 1* manual, 1* warranty card.3.for moving bulb kit: 2pcs of bulbs, 2pcs * ballasts, 1pc of special ... gift box, 1* manual, 1* warranty card. 9007 HID Bi-Xenon bulb 3000K,4300K,6000k,8000k