Most people don’t know what’s about t4 auto bulbs.

So I would like to explain to you t4 auto bulbs as below.

T4 auto bulbs also call as ba9s.

All of t4 auto bulbs are 12v 4w.

My factory producing all kinds of t4 auto bulbs now, which including t4 led auto bulb and t4 halogen bulbs.

In order to make you clearly our best t4 auto bulbs, I will show you pictures as below.

Welcome all customers come to get more details about t4 auto bulbs at any time.