Electronic writing pads are replacement of the traditional paper. They can be recycled, more environmentally-friendly and more energy-saving.Pressure-sensitive screen displays lines of different thickness and brightness based on how hard you write. Suitable for students, teachers, designers, deaf, family message board, etc. Specifications: Color: white,black, blue, red, green,white(SENT BY RANDOM) Main material: ABS Battery type: CR2020 3V Button Battery(Included) Item weight: 80g / 2.82oz Package weight: 138g / 4.87oz Stylus size: 12 * 0.8 * 0.4cm / 4.72 * 0.31 * 0.16in Item size: 22.8 * 14.6 * 0.4cm / 8.98 * 5.75 * 0.16in Package size: 26 *16.8 * 1.5cm / 10.24 * 6.61 * 0.59in How to use: - Just use the stylus which come with the product to write or draw on the board. - Press the erase button to erase your writing or drawing. Note: 1. One button clear all thing. Please change battery when it can't be clear. 2. Don't drop board in any liquid. 3. Don't use sharp stuff to touch surface. 4. Screen unable to display clearly in dark environment or under strong sun shine. 5. It is normal that the screen might got tiny scratches after a long time usage. 6. Writing tablet not build to can't connect to any computer and also can't save any images or messages. 7. Don't place heavy stuff on top of the surface of the tablet. 8. Please draw or write gently. 9. Please don't smash the screen. Package List: 1 * LCD Writing Board