Use the provided stylus or any other kind of small, plastic material, to write or draw on the board. After you are finished, the board can then be easily erased with a click of a button. Battery Life: The battery generally will last for 2 years & is easily replaceable. 1. Ultrathin & Light with only 110 g weight & 4.5mm thickness Slim and portable design, easy to carry and use. Use in office, at home and multiple sites, have one in hand for on the go, almost anywhere you would keep memo pads or scrap paper. 2. Eco-friendly Paperless & inkless writing revolution -- an alternative to traditional paper, to keep chaos off around the office or at home just erasing your sketch with one touch of a button. Thanks to 50,000 times to refresh with one replaceable cell, saying good bye to paper and ink whilst it is environment-friendly & non-toxic. 3. Need to Save Notes Permanently? We got you covered. Just take image of the scribbling with special app & voila! 4. Multi-Purpose i) Kid Learning Toy -- writing or scribble, drawing as imagination. ii) Memo Board - replacing sticky notes. Perfect for grocery lists, to-do lists and leaving messages for family. iii) Planning or Memo Pad on office desktop -- noting the important things needed to do. iv) Bulletin Board in office or at home -- listing what to do and leaving message. v) Noting Board in office meeting -- brainstorm, noting and presentation. vi) Sketching Tool for the designer -- drafting the inspired ideas anywhere and anytime, and drawing illustrations. vii) Game Tool for family -- enjoying game like crossword puzzle, sudoku, noughts or bingo with child Buying just one just isnt enough. Get one for on the go, in the office and multiple places around the house almost anywhere youd keep memo pads or scrap paper. Buy Now!