A1669002800 Q03 Hid Xenon Ballast For Benz For W166 W204 C250 C350 C63 For A Class 130732931201 W176 Material: The xenon HID headlight ballast is made of aluminum and ABS materials, durable and wear-resistant, ensuring sustained performance even under harsh driving conditions Function: The headlight control unit is a key component of the HID lighting system. It provides the voltage needed to start the bulb and regulates the current after the bulb lights up 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