Canon DR-2050C. Maximum scan size: 297 x 420 mm, Scanner type: Sheet-fed, Optical scanning resolution: 600 x 600 DPI. Auto document feeder (ADF) input capacity: 50 sheets. Standard interfaces: USB 2.0. Bundled software: CapturePerfect Adobe Acrobat ScanSoft OmniPage SE (OCR). Weight: 2.5 kg