Canon CanoScan 8400F. Maximum scan size: 216 x 297 mm, Scanner type: Flatbed, Optical scanning resolution: 3200 x 6400 DPI. Standard interfaces: USB 2.0. Bundled software: Adobe Photoshop Elements 2.0 and ArcSoft PhotoStudio NewSoft PageManager and OmniPage SE OCR . Weight: 4400 g. Power consumption (typical): 20 W, Power supply type: AC