viber/whatsapp-9860930886 Product Type: LCD Screen Writing Tablet Color: Assorted Product size: 22*14*0.5cm(8.5 ") Display: 8.8 inch LCD screen Input pressure: 100-200g Reflectance: 25%-30% Power mode: a built-in CR2025 button battery(Included) Cleaning: please wipe gently with a soft cloth Functions: writing, drawing, one - click delete No paper and no eraser, just press the erase button, the graphics tablets will be cleaned, it can be erased over tens of thousands times. Built-in smart stylus