Wacom 22HD, Cintiq. Connectivity technology: Wired, Aspect ratio: 16:9, Working area: 475.2 x 267.3 mm. Accuracy pen: 0.5 mm, Resolution pen input: 5080 DPI, Report rate (pen): 133 pps. Touch working area (WxD): 475.2 x 267.3 mm. Display: LCD, Contrast ratio (typical): 1000:1, Brightness: 230 cd/m². Mac operating systems supported: Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion