?IMPORTANT?Replacement for stock D4R HID headlights only, NOT fit if your car stock Halogen/LED headlight assembly even system say "fits". 100% Quartz Anti-UV Glass - Excellent in Performance. No Mercury - More Environmentally Friendly. Up to 3500 Lumens - More Brighter than Original Standard HID Bulb. High Quality Xenon Gas and APL pills, Tungsten Metal Electrode. Increase 50m Irradiation Distance, Gain 4.5 Seconds more Brake Reaction Time. Pack of 2 HID Bulbs - D4R 8000K - OEM Replacement - Original Quality - 24 Months Warranty.