High QualityThe lens film is made of high quality acrylic material, good toughness, not easy to break,high visibility and greatly reduce the shadow.A5 Size:7.9 X 5.1 X 0.06 inch,super thin and lightweight Optical PaintingOptics copy board is lens imaging, it is easy and convenient to copy the picture that appear on the screen from phone or pad.Artifact for beginners learning sketching, painting, and cartoon drawing.Perfect gift for amateurs, students and kids to embark on their art career Support Mobile Phones & TabletsThere are 2 splicing methods for bracket, simple and quick to assemble, support for most mobile phones and tablets Smart APPWhen working together with the app, you can reach massive picture resources. Function of extracting outline, dynamic regulation of color level, will help you a lot during use Ideal tracing toolNo more limited to drawing on the semi-transparent paper. You can paint on ceramics, cloth,clothes, bags watercolor paper, wood and so on.Provides much more possibility for your creative work!Suitable for children, kids, students, adults Specification: Material: acrylic Lens: optical coated lens Adaptation device: support mobile phone / tablet use Features: Optical imaging copy, APP line draft extraction Uses: Painting Size: 20*13.5*0.1cm Package Include: 1 * Reflection Borad 5 * Pcs Device Holder Kit