1、【Principle of Optical Imaging】: The picture can not be projected onto paper, through the lens sheet, you can see that the picture is imaged on the drawing paper. You can adjust the brightness of your phone or tablet to the desired effect. 2、【No Overlap Shadow】: The lens sheet is made of high quality plastic material, good toughness, not easy to break. You do not need to print any pictures, environmental conservation and energy saving. Clear imaging on the transparent board, give you a great drawing experience. 3、【Support Phones \u0026 Tablets】: There are 2 splicing methods for bracket, simple and quick to assemble, support for most mobile phones and tablets. 4、【APP Download】: You can download APP \"Pencil Sketch\" 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.) 5、【Zero-based Painting】: Suitable for children, kids, students, adults, beginners, anime enthusiasts, amateurs. You can paint on paper, clothes, bags and so on. Features: 【Principle of Optical Imaging】:The picture can not be projected onto paper, through the lens sheet, you can see that the picture is imaged on the drawing paper. You can adjust the brightness of your phone or tablet to the desired effect. 【No Overlap Shadow】:The lens sheet is made of high quality plastic material, good toughness, not easy to break. You do not need to print any pictures, environmental conservation and energy saving. Clear imaging on the transparent board, give you a great drawing experience. 【Support Phones & Tablets】:There are 2 splicing methods for bracket, simple and quick to assemble, support for most mobile phones and tablets. 【APP Download】:You can download APP "Pencil Sketch" 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.) 【Zero-based Painting】:Suitable for children, kids, students, adults, beginners, anime enthusiasts, amateurs. You can paint on paper, clothes, bags and so on. Specifications: Color: Transparent Material: Plastic User Manual: It has Chinese/French/Spanish/English/German/Italian/Japanese Board Size: 18.1 * 10.2cm / 15.0 * 10.2cm(Optional) Package Size: 23.0 * 15.0 * 1.5cm / 9.1 * 5.9 * 0.6in Package Weight: 120g / 4.2oz (18.1 * 10.2cm) 116g / 4.1oz (15.0 * 10.2cm) 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. Green film can be removed before use, do not tear the protective film on the other side, otherwise the projection effect will be affected. That side of green film face to mobile phone, otherwise, the image will show overlap. Package List: 1 * Lens Sheet 5 * Bracket Parts 1 * User Manual(7 Languages) 1 * Lens Sheet 5 * Bracket Parts 1 * User Manual(7 Languages)