A4,A3,A2,A1,A0 led slim light box 1.Any size can be ... customized 2.Snap frame can be opened to change the poster 3.17mm slim ... A4,A3,A2,A1,A0 led slim light boxDataProduct nameLED Light BoxModel ... Humidity10%˜90%Storage Temperature-20˜+40Warranty3 yearsAdvantage1.super slim - 17mm thickness.2.snap aluminium frame can ... A4,A3,A2,A1,A0 led slim light box