... :20mm/28mm/30mm53mm4.Viewing:single side/double sides5.Light source:high bright LED light6.Open clip frame ... displays, Gift, Coffee Shop, Shop with Characteristics,Wedding Photo Shop etc.Size:A0,A1,A2,A3,A4 and ... ,000-10,000 hours.2.Superior Image ResolutionsEven Light in color,no aging in colorClarity and brightness ... customed size available,different stylish Battery Powered Stand Slim Light Box