Generic 55w HID Xenon Conversion Kit 2pcs Bulbs and 2pcs ballasts - Size H4 (HB2) (9003) Lo/Hi Halogen (Low-Beam Xenon/ Hi-Beam Halogen) - Color 8000k Simple installation water proof, dust proof, reverse polarity protection, short circuit protection, shock protection Produces 2 to 3 times as much light as a halogen bulb True 55W Bulbs, up to 1.5 x brighter than 35W HID Package included: 2 pieces of 55w bulbs and 2 pieces of 55w ballasts