Features: 1.EASY TO USE: Writing tablet combines LCD pressure sensitive color screen for better user experience. One key lock and one key delete can prevent works from being deleted by mistake. 2.EYE PROTECTION: Electronic drawing pad features an anti blue light screen, so you won't feel uncomfortable for long time use. Suitable for teaching, calculating, note taking, drawing, drafting. 3.DUST AND WATER RESISTANT: Mini LCD writing tablet is harmless, dustproof and waterproof. Children's scribbles can be removed in a second without leaving traces on wall and furniture. 4.ATTRACT CHILDREN ATTENTION: Mini electronic doodle board captures children's attention. While releasing energy, children can draw their own wonderful world in a simple way. 5.APPLICABLE PEOPLE: Reusable electronic drawing pad is a fun activity for kids that brings out their imagination and lets them have fun. Suitable for 3?6 years old girls boys and deaf. specification:Item Type: Mini LCD Writing Tablet Material: ABS, LCD Battery: Coin Cell CR1220 (Built In) Capacity: 40 MA Display Panel: Flexible LCD Screen Writing Board Size: 4.5 Inch PackageList:1 x MiniLCDWritingTablet 1 x Pen NotePlease allow some error due to manual measurement.