... vehicles, and to indicate dangerous objects. EL auto sign is used to show the auto brand, to decorate the vehicles, and to ... elegent, long lifespan, etc. EL auto signs are another bright eye for cars at night.-name:EL auto sign-colour:various colour.-material ... :save-energy,shine homogeneously,very thin etc.-usage:indication sign for security, exit and entrance, alarm, traffic, storey, fire-fighting, ...