... light screenModelLED-03Colorfull colorWeightMaterialnanoscale light guide panelnational standard aluminum for light box,T4 light tubeelectronic ballast nanoscale light guide panelnational standard aluminum for light box, T4 light ... can be recycled.5. Cold light, with electronic ballastAttractive and stereoscopic ... UsagePlay information such as flash, various video programs, pictures, text and so on ...