The ViewSonic 22” (21.5'' viewable) PD2211 pen display supports 1920 x 1080 1080p high resolution and features advanced electromagnetic resonance pen (EMP) technology to deliver an intuitive, accurate and authentic handwriting experience. With leading 2048 pen pressure sensitivity, 200pps tracking speed, and 5080 line per inch density, the PD2211 allows you to accurately and naturally write, sign, or draw directly on the display. Battery-free V Pen and hover capabilityprovides user-friendly and convenient touch operation. With sturdy,ergonomic bookstand design, HDMI and VGA connectivity to PCs or laptops, and Windows® 7, Windows® 8, and Mac® OS 10.5 or above compatibility, the PD2211 makes a great device to support e-signature applications and digital art drawing solutions.