Air bag Taillights / Taillights

Driver sometimes will not know that there are accidents on the road ahead.
This might cause serious secondary collision, which will cause serious damage for both passengers and vehicle.

Air bag taillight normally a LED light of the car, but it will start to work if the air bag on the car opened(it means serious crush).
It will become a big ball with flashing LED to mention driver backward: you need to brake. Which will decrease the possibilities of secondary collision and increase safety.