1, the warning role: at present our country installs such traffic regulations is allowed, but not in the country or city expressly forbidden zone. Use pipe Especially in the fog, rainy days use effect will be better.
2 and increased with the new car, car gens pursuit vogue individuality demand, when you visit town flocked to the open blasting flash when my fellowmen.
3 and in highway parking break or on the road and adjust your car explosion flash open a warning, can remind back to the geological hazards, reduce the car accident.