King Jim Boogie board

Write and erase quickly. This lightweight, slim, A6 notebook-sized electronic memo pad features a single button for easy erasing and reuse. It lasts approximately 30,000 erases with a single battery. Replaceable battery. High-contrast LCD screen that changes line thickness with pen pressure. Comes with a magnet so you can attach it to your refrigerator or other surfaces. It also includes a handy ruler that measures up to 14cm.
* Memos cannot be saved. * This device is an electronic device, so splashing water on it or using it underwater will cause it to malfunction. * Do not disassemble or modify the device. This may result in an accident or malfunction. * Do not step on, drop, hit, or subject the device to strong force or impact. This may cause it to malfunction. * When writing, do not use hard objects such as ballpoint pens or metal objects, or press down on one point with strong force for a long time, as this may scratch the surface of the screen (LCD panel), making it difficult to use or causing it to malfunction. * When wiping the screen (LCD panel), use a screen cleaner or soft cloth. * Do not use the battery with the + and - terminals reversed. This may cause the battery to leak, overheat, or explode.