The MEDALight LP 400N A4 Slim Light LED Panel is truly ultra slim with a depth of only 25mm. This A4 light panel offers a plethora of creative applications including: art work, embossing, lettering, calligraphy, photography, tracing, slides, and X-Ray viewing. To maintain accurate colours the lightbox is colour corrected to white daylight 5000 Kelvin. This comes in especially helpful when viewing slides. This particular light panel is A4 sized at approx. 30 x 20cm (12 x 8 inches). Please note that this light panel won't illuminate a full A2 sheet of paper.