attractive different flashing model el light up sheet 1,el poster 2, ... install 3,best choice for business advertisement new design el flashing billboard it is the best choice for business advertisement, it ... on business advertising ,sales promotiion,shopwindow,on street ,at bar wall ,at home when festival come,tax,bus,on high ... c storage temperature - 65 °c ~ + 85 ° c new design el flashing billboard