Microtek ScanMaker E900. Maximum scan size: 216 x 356 mm, Scanner type: Flatbed, Input colour depth: 48 bit. Standard interfaces: USB 2.0. Operating temperature range (T-T): 10 - 40 °C, Operating relative humidity range: 20 - 85 %. Minimum RAM: 256 MB, Minimum processor: Pentium IV, Compatible operating systems: Mac OS X 10.3, Windows 2000, XP, Vista