Canon CanoScan Lide90. Maximum scan size: 216 x 297 mm, Scanner type: Flatbed, Optical scanning resolution: 2400 x 4800 DPI. Weight: 1.6 kg. Power consumption (typical): 2.5 W, Power consumption (standby): 1 W, Power supply type: USB. Storage relative humidity range: 10 - 90 %, Operating temperature range (T-T): 10 - 35 °F. Minimum system requirements: Windows 2000/XP/Vista Mac OS X v 10.2.8~v 10.4