Features:Compact design in A3 size, super slim in 2.5mm thickness, convenient to carry around, can be used to read in a low-light condition.Great painting accessory -- can be used to make diamond jewel paint for better positioning; can be used to copy the painting without tearing up the book, using the light pad by pressing it in the book.Eye-protecting and non-flicking LED light pad with smaller light holes, good for eyes especially working for long hours; adjustable three-level brightness, press the button to switch according to your demand; light can pass through 200 grams watercolor paper.Powered by 2m USB cable, easy to access to any USB port like computer, laptop, power adapter, power bank, etc.Ideal for sketching, drawing, 2D animation, practice calligraphy, clothing design, diamond jewel paint, etc; best gift for artists, animators, designers, art enthusiasts, children, students.Specifications:Material: Acrylic PanelLight Source: LEDThickness: 2.5mmWorking Voltage: USB 5VLUX:1500-2500Light Penetration: can pass through 200 grams watercolor paperIlluminated Space: 40 * 30cm / 15.75 * 11.81inItem Size: 40 * 33 * 0.25cm / 15.75 * 12.99 * 0.098inItem Weight: 340g / 11.99ozPackage Size: 40 * 33 * 3.5cm / 15.75 * 12.99 * 1.38inPackage Weight: 500g / 17.64ozPackage List:1 * Copyboard1 * USB Cable