• GlassRun - works even on slightly dusty glass • Multi-link receiver G3+G5+G7->G9• DPI Adjustment button 800 - 2000 • 2.4GHz, Ultra Far Distance 15m • User-selectable 16 functions in one button & battery status indicator (on computer screen)• 4-way wheel• Selectable report rate• RF signal indicator• Travel Pouch• 1 AA alkaline battery • System requirementsWindows 2000 / XP/ 2003 / Vista / Windows 7USB Port