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