The Brother Ds-940DW is a duplex wireless mobile document scanner with 600 Dpi optical resolution, ideal for on-the-go digitization. Scan two-sided color or black-and-white documents at up to 16 ppm in a single pass. It accepts documents up to 72" long and plastic Id cards. Save scans to File, Image, Ocr, Email, Network, cloud services, mobile devices or micro Sd, and use the free Brother iPrintandScan app.