... Metal gearing, Panasonic Motor, Siemens Timer. advertis Trivision display, tri-vision display billboard, advertising display:This product can be used for ... .Type : SMF--125ZWidth of prism:125mmSize of bottom edge :125mm x 135mmSize of frame(left ,right and upward side )90mm ... x 125mmThe limited height : 7m ,or 7-14m (linked by 2 ...