*Only scanners sold by cvlSoft, Inc. are guaranteed compatible with our field note scanning software.This scanner possesses the ability to perform duplex scanning in color. Other than its 2400 dpi high resolution, cutting-edge CCD optical scanning technology, high-speed USB 2.0 data interface, 50-sheet feeder capacity, and a lightening-fast speed of 25 single-sided scans or 50 double-sided scans per minute, the Avision also comes with the exclusive "Button Capture" intelligent feature in its accompanying software. As a custom feature, Button Capture allows you to copy, send e-mail, and perform single- or double-sided scan at the touch of a button. There are also 4 sets of custom function settings, and a total of 9 sets of other selectable options, allowing you to set all your preferences and making the operation of your AV220/AV220C2 as easy as 1-2-3!