... illumination and environment friendlyeasy to install and fast to change the graphicsLight sourceLED lights Voltage12v transformerSizeA0,A1,A2,A3,A4,welcome ... silk-screeen print or laser engraving on the LGP Means of displaystand on the table, hang on the wall, hang from the ceilling, etc.Certification CE,CCC,ROHS ... install and change pictures, crystal light box can be placed on desk or hung ...