Light weight and super slim light pad easy to carry, thickness only 0.2'', about 5mm. Overall dimension including black frame is L14.2''xW10.6''xH0.2''. The visual working area is 9''x12''. Simply keep pressing the touch switch for several seconds until you get the desired brightness you want. It has a gradual dimming effect. Light box with energy efficient flicker-free LED lamps, provides a perfectly even illustrated surface. To charge the tracer light box plug in the included USB power cable, you can easily connect to any computer, power bank or AC adaptor. Ideal for stenciling, 2D animation, calligraphy, embrossing, scrapbooking, tattoo transferring, sketching & drawing, streaming, sewing projects, stained glass, quilting etc.