S2 super slim light box aluminium frame Aluminium frame, exquisite form, portability, various colour may provide choice(such as silver, balck, red, gold) * open from four sides easy to change pictures, install and maintain, Thickness only 28mm, width only 40mm * use self-produced optices, which present light homogeneoursly * use high quality cold light sources with effective protection on image avoid yillowing with age and getting longer life-span * 70%-80% energy-saving compare with traditional light box. * for: the airport, subway station, business center, bank, building, exhibition, family etc A2: 610x460x22mm(frame size)/508x368mm(image size) A1: 810x600x22mm(frame size)/708x498mm(image size) A0: 1100x800x22mm(frame size)/998x698mm(image size)