I know auto led lights have 1 pin, 2 pin and 3 pin.

But I don’t know clearly auto led light 4 pin.

Could you send detail information of auto led light 4 pin to me?

When I get pictures of your auto led light 4 pin, my technicians and me can check them.

All of our auto led lights are heavy duty.

For instance, most of our auto led light 4 pin with EMARKS, DOT, ISO9001 and CE.

Please come to talk with us about auto led light 4 pin right now.