Specifications: Color: Transparent Material: Plastic Item Size: 20.0 x 13.5cm or 7.9 x 5.3in -Weight: 133g or 4.7oz Package List: 1 x lens sheet 5 x mounting parts 1 x user manual Principle of optical imaging: The image is not projected onto paper. Through the lens sheet, you can see that the image is being reproduced on the drawing paper. Drawing board has two sides, front and back, the projection effect from two sides is different, please use the front. You can adjust the brightness of your phone or tablet to the effect you want. No Overlap Shadow and Clear: The lens film is made of high quality PC material, good toughness, not easy to break. No need to print pictures, save environmental protection and energy. Clear pictures on the transparent board make for a great drawing experience. Mobile Phones and Tablets Support: There are two bracket splicing methods that are easy and quick to assemble and work with most mobile phones and tablets. Smart APP: You can download the APP "Pencil Sketch" or other relative software to your mobile phone or tablet, choose your favorite pictures and convert them to a sketch, then start painting. (Be sure to mirror the picture on your phone or tablet before drawing, otherwise you will find that the picture is drawn in the opposite direction.) Ideal Search Tool: This search board kit will do the trick for kids, children, students, adults, beginners, anime enthusiasts and hobby painters. You can paint on paper, clothes, bags, etc. without harming your eyes. Notes: Make sure you mirror the picture on your mobile phone or tablet before drawing otherwise you will find that the image is drawn in the opposite direction. The transparent film cannot be torn off, otherwise the projection effect will be impaired. (The green foil can be removed before use.) - Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store