... 4.strong advertising effect Commmodityoutdoor acrylic mouliding light boxMaterialaluminium or steel frame,imported acrylic board, inner plank, electronic components, light source(LED ... , quantityVoltage 110v,220v,12v,24vColormatt black, sliver, white, champagne (for frame)Installationwall-mountedApplication Airport, bus-stop, image sign, chain store, indoor ...