33119-SJK-013 Xenon HID Headlight Ballast Control Unit Module ECU D2S D2R For Nissan For Mazda For Infiniti For VW For Benz Function: This xenon headlight drive control module can convert voltage, stabilize current, prevent pulse surges, control lighting brightness, and ensure that the headlights operate in a safe environment Features: This module is tailor-made for your vehicle, effectively controlling the adaptive headlight system for optimal visibility Headlight driver module, intelligent decoding eliminates faulty lights and improves light stability。 Xenon ballast, low power consumption and high brightness, no decay for long time use。