Material: Made of stable materials to ensure matching with the vehicle. This guarantees durability and reliability under various driving conditions. Make it last longer. Function: H-ID ballast control module converts voltage, stabilizes current, protects pulse surges, and ensures that the headlights work in a stable and comfortable environment Installation: Direct installation or replacement. This product has been repeatedly quality-checked and is plug-and-play without any procedures. Note: Before purchasing, please inspect the used part against the image and check the OEM part number. If there are any discrepancies, please purchase with caution. Service: If you have any questions during your purchase, please feel free to contact us. We will do our best to resolve your concerns and questions. Your satisfaction is our greatest motivation.