Slate 6.5- LCD Memo Board is a reusable and paperless electronic memo board that is ultra-thin and lightweight. The pressure-sensitive LCD writing surface displays lines of different thickness based on how hard you push and background surface is one color. Erase screen with front button and use the anti-erasure lock to prevent accidental clearing of the screen. Stylus snaps into tablet for storage. Multiple mounting options. Powered by 1 replaceable button battery, inserted. FCC certified.