Compatible with A4 B9 2015 Headlight BALLAST Daytime Running Light Module DRL 1305715396 1305715395(Right)

Daytime running light source module, direct replacement, immediate use. Stable performance, reduced maintenance costs. Material: Made of metal, better heat resistance, ensuring stable performance even in harsh environments; Features: Auxiliary lamp built into or integrated in the vehicle headlight unit, used to close the low beam or high beam; Function: Able to regulate current and voltage, provide the voltage required to start the lamp, and adjust the current of the lamp after the lamp is lit; Make the vehicle more recognizable on the road and improve the appearance of the car.