Only 2mm thick, 6*4 inch active area, ultra-thin, portable, and light-weight. With the help of pressure, a high sensitivity battery-free pen with 8192 levels of pressure sensitivity can draw lines and brushes with any weight. The battery-free pen is usable with either a right- or left-handed user's hand and requires no charge. Faster recognition and better display effects throughout your work are made possible by high resolution and quick reaction, 230 PPS report rate, and 5080LPI resolution. Set the eraser switch function at the pen button for a one-touch eraser. able to run on Windows XP/Vista 10/8/7, 10.8, or higher. may also work with a variety of popular design programs, including Photoshop, SAI, Painter, Illustrator, Clip Studio, and others.