Xenon D1S D3S D8S Ballast Kit HID Xenon Headlight D1R D1S 921904Z200, 1864735010, A71177E00DG For Hyundai . Multiple Protections: Provides short-circuit protection, open-circuit protection, polarity protection, overload protection, and load protection. An ideal replacement for your older products. Materials: The xenon headlight ballast is made of aluminum alloy, offering durability and heat resistance, preventing deformation or damage. Low cold-start current eliminates overshoot, accelerating the bulb without overloading and extending bulb life. Easy Installation: Simply replace your old or damaged HID headlight ballast with our product, saving time and effort. Rigorously tested for long-term use. Note: Please verify the part number before purchasing to ensure compatibility., Manufacturer: HNCWSM