High Quality: The lens film is made of high-quality acrylic material, offering good toughness, resistance to breakage, high visibility, and significantly reducing shadows. A5 Size: 7.9 X 5.1 X 0.06 inches, super thin and lightweight. Optical Painting: The optical copyboard uses lens imaging, making it simple and convenient to copy images displayed on your phone or tablet screen. An essential tool for beginners learning to sketch, paint, and draw comics. A perfect gift for amateurs, students, and children to start their art journey. Supports Mobile Phones and Tablets: Features 2 splicing methods for the bracket, making assembly simple and fast, supporting most mobile phones and tablets. Smart APP: When used with the app, you can access vast image resources, extract outlines, and dynamically adjust color levels, which will greatly assist you during use. Tracing Tool: No longer limited to drawing on semi-transparent paper. You can paint on ceramics, fabric, clothing, bags, watercolor paper, wood, and more. Offers much greater possibilities for your creative work. Suitable for children, kids, students, and adults. Specification: Material: Acrylic Lens: Optically coated lens Compatible Device: Supports mobile phones/tablets Features: Optical image copying, APP line drawing extraction Usage: Painting Size: 20*13.5*0.1 cm Package Includes: 1 * Reflection Board, 5 * Piece Device Holder Kit