LED Daytime Running Light Control Unit Module for Benz for W205 Function: By providing stable current regulation, this ballast not only ensures instant bulb start-up and uniform illumination but also helps extend the overall lifespan of HID bulbs Easy Installation: The headlight ballast control module is easy to install and operate, requiring no complicated tools, easy to use, saving time and effort, bringing you great convenience 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。, Manufacturer: LLYIXUAI