Fujitsu ScanSnap S1300 Document Scanner is designed to be the smallest Fujitsu multi-page duplex scanner for one-button ease of use * Max Supported Document Size: 8.5 in x 14.17 * Optical Resolution: 600 dpi x 600 dpi * USB or AC powered [Power Requirement:- AC Adapter: AC 100V to 240V, 50 / 60 Hz; USB Bus Power: 5V / 1A (0.5A X 2 Port)] * Manufacturer Warranty: 1 year warranty