... micro sd to 32G Product DescriptionMulti-purpose A4 Handyscan Portable ScannerType: Handy scanner, Pen scanner, USB scanner, Document scanner ... Imaging, PHOTO Shop and other similar image processing OCR software.System environment: Windows 2000/ME/XP, MAC X, 128 MB ... RAM, 1000 MB HDD,Features: Two-wheel stability control system scans the entire pageImage Sensor: A4 color contact image sensorSensor ...