The electronic writing pad can better protect the environment and eliminate the need for paper, pencils, erasers. A scribble pad can write more than 100,000 times, with built-in key separation, without charge or connection. You can save 100,000 pieces of paper and 5 large trees. Only one coin cell is needed to replace the traditional battery. It is easy to buy and replace in stores. There is no need to worry about environmental pollution caused by throwing paper everywhere.