Microtek FileScan 1600XL. Maximum scan size: 305 x 431.8 mm, Scanner type: Flatbed, Optical scanning resolution: 600 x 600 DPI. Standard interfaces: USB 2.0. Weight: 9.5 kg. Operating temperature range (T-T): 10 - 40 °C, Operating relative humidity range: 20 - 85 %. Minimum RAM: 256 MB, Minimum processor: Pentium IV 2.0 GHz, Compatible operating systems: Windows XP, Vista