I am litter bit confusing that car led headlight bulbs need ballast.

Because most of our car led headlight bulbs needn’t ballasts.

Those car led headlight bulbs are plug and play.

All of our car led headlight bulbs are EMI, EMC and CANBUS error free designs.

There is few factories supply EMC car led headlight bulbs in the world markets.

In order to make you clearly our car led headlight bulbs need ballast, I will show you pictures as below.

Welcome all people come to talk with us car led headlight bulbs need ballast right now.