Material: The headlight control module is made of metal + ABS material, which has good flame retardancy, heat dissipation and shock resistance. Help the headlights work more stably and ensure that both low and high voltages can start normally. Function: Car bulbs are easily affected by voltage, changing brightness and working status. The headlight control unit module can perform voltage conversion, current stabilization, surge voltage protection and other functions to ensure that the headlights work in a stable and comfortable environment. Installation: This ballast can directly replace your existing components. Designed to meet or exceed OEM specifications. Plug and play installation, no programming or coding of the car is required. Quality: Made of materials that meet strict OEM requirements, this product offers stable performance and is an ideal replacement option. Note: To ensure you receive the correct item, please confirm that your OEM number matches the one in the description.