Capture large, two-sided documents in a single scan from as small as 4" x 6" to as large as 8 1/2" x 40" via the ADF or flatbed. Achieve remarkable results, thanks to four-line CCD sensor (RGB and black) that delivers crisp, sharp text. Included book spine correction eliminates distortion when scanning bound materials. Get more done with one-pass two-sided scanning at speeds of up to 25 ppm/50 ipm. Work smarter and more efficiently, thanks to the built-in 100-sheet ADF, plus auto duplex scanning. Ultrasonic double-feed detector automatically stops the scan job if two pages have fed together. Use the optional networking module and included Document Capture Pro software to scan to any PC on the local network. Scan to popular cloud services, like SharePoint® , Evernote® , Google Docs and more. Scan and save documents to searchable PDF files. Do more with powerful included productivity software&mdash Epson® Scan, Document Capture Pro (Windows only) and ABBYY® FineReader® Sprint OCR. One-touch scanning creates up to 30 user-programmable jobs. Scan Size (W x H): 8 1/2" x 11 7/10" Bit Depth of Color: 48-bit Internal 48-bit External Connector/Port/Interface: USB 2.0 Dpi Graphics Resolution: 1200 x 1200 dpi. Unit of Measure : Each