... high-pressure inert gas - Xenon xenon gas to replace traditional filament, in the two electrodes there are ... High brightness: Three times luminous flux as that of halogen tungsten lamp6) Long lifetime: Over 3, 000hrs7) Low ... 9007-2,H13-2 hid for low beam and halogen bulb for high beam, with 2 ballasts and installation ... 9007-4, H13-4,2 HID bulbs on each bulb, which works for high and low beam, with ...