This digital writing tablet is a reusable, dependable, and eco-friendly alternative to paper for drawing, writing, taking notes, and much more. It is an ideal writing tablet for both children and adults. The pad has an ultra-thin design that allows you to be carried anywhere at any time. Your writing or drawing appears instantly on the pressure-sensitive LCD writing surface, just like a normal board or notebook. It also has a 130mA CR2020 battery and 0.5mm thickness.