WACOM PTH 651

Active Area 8.8 x 5.5″ / 22.35 x 13.97 cm Pressure Levels 2048 Resolution 5080 lpi (100 lines/mm) Pen Tilt +/- 50 degrees Accuracy Pen: 0.01″ / 0.25 mm Report Rate 200 points/second (max) Connectivity USB or RF wireless Buttons 8 x ExpressKeys (customizable) Multi-function touch ring Operating System Requirements Windows Vista SP3 Windows 7 (32- amp; 64-bit) Windows 8 (32- amp; 64-bit) Mac Mac OS X 10.6.8 or later (Intel processor) System Requirements USB 2.0 port (for pen data)