Onex is the next generation in xenon technology with its distinctive designed water proof ballast that can provide five times more light output on the road than traditional halogen light bulbs. To ensure the utmost level of quality, Onex ballasts are assembled in Japan. All Onex bulbs, 880, 881, H1, H3, H4, H7, H8, H9, H10, H11, H12, H13, 9004, 9005, 9006, 9007, and 5202 go through extensive quality checks before leaving the assembly line. Onex understands all cars are produced differently, vehicle compatibility is another key point Onex will guarantee with decoder units to enhance our system to work with many newer vehicles on the market. All Onex hid kits are backed by a one year warranty.