... 0579--85605652Product name:aluminum solar traffic led sign Features MaterialAluminum alloy plate (15mm) LED lightSolar panel5W/P ( 15 years service life)solar panel Size29x36.5cm ... the areas are different,so the sunlight are different, the solar panel and storage battery are different.If you are willing to ... years,within this period, we will provide you free repair. aluminum solar traffic led sign