Halo Automotive D1S 4,300k HID Bulb (12v/35w) - Twin Pack Halo Automotives Halo HID Bulbs provide 300 percentage more light than a standard halogen bulb and lives three times as long Halo HID Bulbs are 100 percentage plug and play replacing your factory HID bulb Halo HID bulbs come in a variety of colors including: 4,3000k, 6,000k, 8,000k, 10,000k, and 12,000k Halo HID bulbs are available in the following applications: D2S, D2R, D1S, D1R, D4S and D4R Halo Bulbs outlast and out perform the competition for a fraction of the price