BulbAmerica HID D1S 35W 4300K Single Automotive Bulb. BulbAmerica Xenon HID lights are the brilliant, blue/white lights. HID lights provide twice the light of conventional halogen lights for the ultimate in driving safety. 200% more light = earlier recognition of road hazards. With twice the amount of light, drivers can see potential obstacles much sooner. At highway speeds, HID lights provide up to a full second more time to safely react to road hazards