An energy efficient a4 led lightbox with dimmer feature ideal for tracing designs and patterns for stencilling embossing scrap booking quilting as well as sewing embroidery calligraphy lettering and displaying slides transparencies dimmable led lighting consistent light across the whole panel face tracing area that comfortably takes a4 size 2m usb cable for use through computerlaptop mains ukeu plug with usb slot energy efficient low heat emission