Microtek ArtixScan F1. Maximum scan size: 216 x 356 mm, Scanner type: Flatbed, Optical scanning resolution: 4800 x 9600 DPI. Standard interfaces: USB 2.0. Weight: 12 kg. Operating temperature range (T-T): 10 - 40 °C, Operating relative humidity range: 20 - 85 %. Minimum RAM: 128 MB, Compatible operating systems: Mac OSX 10.3