Epson Perfection V800 Photo scanner Precise color and detail - get extraordinary scans with 6400 dpi resolution Remarkable tonal range - 4.0 Dmax for smooth gradations & fine shadow detail Exclusive Dual Lens System - selects from 2 lenses for optimum results Operating Systems: Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP, Windows XP Professional x64 Edition and Mac OS X 10.6.x, 10.7.x, 10.8.x, 10.10.x Refer to the PDF attached below in Technical Specification for User Manual.