1.Led crystal light box 2.size:A1,A2,A3,A4,A5 3.light panel 4.poster can be changed 5.OEM service 1.LED crystal light box with poster ... changing2.Size:A1,A2,A3,A4,A53.transparent front-panel, "U" shape holder, Light panel, black ... different pictures8.Customer's design\ idea or OEM are welcomed LED acrylic crystal window wall mounted light box