Portable scanner feeder scanner scan technology cis scan format a4 supported document size 215 x 355 mm scan resolution 600 dpi interfaces usb card reader max scan speed 6 pagesmin automatic document feed 100 sheets document feeder manual card readers mmc sd xd ms pro ms functions ocr compatible operating systems windows 7 windows vista windows xp mac os x windows 81 windows 8 windows 10 colours gray black internal memory 512 mb included i