The fi-5110C Fujitsu scanner's design includes advanced technology commonly found in high-end scanners, including high-speed USB 2.0 connectivity, a 50 sheet automatic document feeder (ADF) that accommodates a wide range of document sizes (2.1 in. x 2.9 in. to 8.5 in. x 11.4 in.), and double-feed detection for reliable scanning. Plus, at speeds up to 15 ppm (simplex) / 30 ipm (duplex) it quickly and efficiently transforms your paper documents into more manageable digital files.