Plustek MobileOffice D28. Scanning: 216 x 356 mm, Sheet-fed, 600 x 600 DPI, CIS, 48 bit, 16 levels of grey, 2.2 sec/page. Connectivity: USB 2.0. Weight & dimensions: 960 g. Certificates: CE, FCC-B. System requirements: 400 MB, 128 MB, Pentium III, Windows 2000, XP, Vista. Media formats: A4