Features:The X-Rite i1 Display Pro is the ultimate choice for discerning photographers, designers and imaging professionals looking for the highest level of on-screen color accuracy for displays, laptops and projectors. Two user modes (Basic and Advanced) provide serious color perfectionists with the perfect combination of unrivaled color precision, speed, options and controls to fit any workflow. System Requirements:Macintosh:Intel CPUMac OS X 10.5.8, 10.6, or 10.7 [with latest upgrades installed]1 GB of available RAM2 GB of available hard disk spaceMonitor resolution of 1024 x 600 pixels or higherDual display support requires either 2 video cards or a dual head video card that supports dual video LUTs being loadedPowered USB portDVD drive or high speed internet connection to download the softwareInternet connection for software updatesUser must have administrator rights to install, uninstall the applicationWindows:Intel Pentium 4 or AMD Athlon XP or better CPUXP 32 bit or 64-bit, Vista 32 or 64-bit, 7 32 or 64-bitLatest service packs installed1 GB of available RAM2 GB of available hard disk spaceMonitor resolution of 1024 x 600 pixels or higherDual display support requires either 2 video cards or a dual head video card that supports dual video LUTs being loadedPowered USB portNetwork adaptor installed and driver loadedDVD drive or high speed internet connection to download the softwareInternet connection required for software updatesUser must have administrator rights to install, uninstall the applicationPlease Note: Product registration is required to receive X-Rite technical support during the warranty period. Registration can occur directly through the software, on X-Rite's website, or via phone. Users are encouraged to register their product within the first 30 days of use.