EL backlight,EL Panel,el advertising,EL sheet,EL light,el advertisement panel,el advertising panel,el product(Can cut ) WHAT IS EL?EL Operating Theory:EL ... mark at night, field wire for leading.6. Advertisement Goods: Apply to goods promotion, propagation, vote file ... seller bring with them. EL backlight,EL Panel,el advertising,EL sheet,EL light,el advertisement,el advertising,el product(Can cut )