The A3 light box is eyesight-protected, portable, durable stencil board with 3 brightness adjustable, you can adjust the brightness by simply pressing to the button till you get the brightness, increases the accuracy of your drawing. Features - Color: White.- Material: Acrylic.- Size: About 46x35x1cm/18.11x13.78x0.39 inch.- Voltage: 5V.- Color temperature: 8900K.- Power: 2.5W.- Thickness: 5.5mm.- Interface: USB/DC.- With eyesight-protected light, help to prevent eyestrain, high transitivity and light for daily use.- 3 brightness dimmerable, great for people to adjust the light to their desire. Turn on/off and control brightness easily just by a slight touch.- Ultra-thin and portable, high evenness of light.- Perfect A3 Stencil Board Light for Stenciling, 2D Animation, Calligraphy, Embossing, Scrapbooking, Transferring, Sketching, Drawing, Sewing projects, Stained Glass, Quilting, etc.- A nice drawing gift for your friend and family members.Packing list: 1 x A3 stencil board1 x USB cable1 x power adapter (AU Plug)