For Golf For Polo For SEAT LED Headlight Control Module 7P5941591AD Material: This ballast module is made of aluminum, offering good heat dissipation and impact resistance for safer nighttime driving Function: This device ensures stable power output from your HID headlights. Stable headlight output, eliminating flicker and malfunctions 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