Compatible With A3 S3 2016-2019 White DRL Headlight Chip Ballast Circuit Board(2x left)

Daytime running light source module, direct replacement, immediate use. Stable performance, reduced maintenance costs. Function: The automotive headlight driver module features voltage stabilization. Even with large power supply and voltage fluctuations, it maintains constant light source power, ensuring stable illumination and reliable operation; Material: Made of ABS, it can withstand various weather conditions; Installation: The headlight driver module is easy to install and replace, saving you time and effort; Make the vehicle more recognizable on the road and improve the appearance of the car.