... is only 10% of the thickness of the traditional light box. Therefore, making it well use of space, In ... addition, extremely environmently friendly. Handy and light, simple to install and very versatile in what product ... span: 50000 hours4, Specifications Size: A0,A1,A2,A3,A4,A5, B0,B1,B2,B3,B4,B5; ,,,,,200*100CM; ... super markets, subways, bus stops, etc. Crystal Super Slim LED Light Box