Lightcraft a3a4 led lightboxes with plug lightcraft lc2004led this a4 led lightbox from lightcraft is energy efficient and features a dimmer among the many features is the consistent light across the whole panel face tracing area that comfortably takes a4 size and low heat emission ideal for tracing designs and patterns for stencilling embossing scrap booking quilting sewing embroidery calligraphy lettering and displaying slides and transparencies included is a 2m usb cable for us