Vupoint Magic InstaScan PDS-ST420-VP Sheetfed Scanner Optical Resolution 900 dpi Easily Scan, archive and organize files and save them onto a microSD/microSDHC memory card Supports microSD/microSDHC memory card up to 32GB required not included sold separately 4 x AA batteries (included) 8.5" x (Scanning length) up to 90" JPEG and PDF format