Avision AV320D2+. Maximum scan size: 296 x 431 mm, Scanner type: Sheet-fed, Optical scanning resolution: 600 x 600 DPI. Standard input capacity: 150 sheets. Standard interfaces: USB 2.0. Bundled software: ISIS Driver, Twain Driver, Button Manager, AVScan 4.3, PaperPort 11, ScanProfolio. Weight: 12000 g