This is a brand new, sealed Dragon Systems Naturally Speaking Mobile dictation kit that includes a DVD with English language software. It is compatible with Microsoft Windows 98, 95, and NT 4.0 operating systems, and requires a minimum of 133 MHz hard drive space. The kit comes with one device and a standard license category, and the model number is included as NVIU 301 Z 037644. Additionally, the kit includes a serial number for identification purposes.