Effectively increase the brightness and illumination distance of the lights to improve safety when driving at night. Ballast in aluminium housing, waterproof, shock-proof and low voltage protected. It features faster start-up, greater safety and stability, higher water and shock resistance. Direct replacement, plug and play; no modifications required; no need to program or code the car. If you have any questions during use, please feel free to contact us directly and we will solve the problem for you within 24 hours.