ID1330 ViewBoard Pen Display Accurate and Efficient Writing Experience with 8192 Pen Pressure Sensitivity Level Paper-like Texture create Natural and Realistic Experience One-cable Solution Lightweight, Portable and Effortless to use Compatible with Windows 7 or later, Mac OS 10.11 or later GROWEL INFOTECH 303-shilp Tower, Godown road, Nr.Tagor road, rajkot. Mo-9227776254 Rajkot.