U.S. Art Supply Lightmaster 24.3" Diagonal Professional (A3) 12"x17" LED Lightbox Board 12-Volt Super-Bright Ultra-Thin 3/8" Profile Light Box Pad Dimmable - Measuring Overlay Grid & Circle Template Lightmaster is a Professional Quality Ultra-Thin Light Tracing Pad with Dimmable Touch Button Technology Large 12x17 Working Surface, Lightweight and Ultra Thin 3/8" profile designed for easy portability Super Bright Energy Efficient Flicker-Free L.E.D. Lamps that are Maintenance Free and Last up to 50,000 Hours Ideal for Stenciling, 2D Animation, Calligraphy, Embossing, Scrapbooking, Tattoo Transferring, Sketching & Drawing, Sewing projects, Stained Glass, Quilting & More * 1-Year Unconditional Full Replacement Warranty *, Comes with 1(one) light pad, 1 (one) measuring overlay grid & 1 (one) circle template/protractor