has two sides, front and back, the projection effect of two sides is different, please use the front. You can adjust the brightness of your phone or tablet to the desired effect. No Overlap Shadow Clear: The lens sheet is made of high quality PC material, good toughness, not easy to break. You do not need to print any pictures, environmental protection and energy saving. Clear imaging on the transparent board, give you a great drawing experience. Support Mobile Phones Tablets: There are 2 splicing methods for bracket, simple and quick to assemble, support for most mobile phones and tablets. Smart APP: You can download APP 34;Pencil Sketch 34; or other relative software to your mobile phone or tablet, choose your favorite pictures and convert it to a sketch, and then you can start to paint.(Make sure to mirror the image on your mobile phone or tablet before drawing, otherwise you will find that the picture is drawn in the opposite direction.) Ideal Tracing Tool: This tracing board kit is suitable for children, kids, students, adults, beginners, anime enthusiasts, amateur painting enthusiasts. You can paint on paper, clothes, bags and so on, no harm to your eyes. Specifications: Color: Transparent Material: Plastic User Manual: It has Chinese/Japanese/English/German/Spanish/French/Italian. Item Size: 20.0 * 13.5cm / 7.9 * 5.3in Package Size: 23.0 * 15.2 * 1.5cm / 9.1 * 6.0 * 0.6in Package Weight: 133g / 4.7oz Notes: Make sure to mirror the image on your mobile phone or tablet before drawing, otherwise you will find that the picture is drawn in the opposite direction. The transparent film cannot be torn off, otherwise the projection effect will be affected.(Green film can be removed before use.) Package List: 1 * Lens Sheet 5 * Bracket Parts 1 * User Manual(7 Languages)