The ScanShell® is a high-speed duplex IDs scanner which enables users to scan both sides of a scanned document simultaneously. This scanner is able to capture high image quality from a variety of document types including driver licenses, ID cards, passports and medical insurance cards. With its light weight (21oz/588 grams) and small footprint, the IDs scanner ScanShell® 3100D offers convenience for duplex scanning for both desktop and mobile use. The ScanShell® 3100D is easy-to-use and has an Auto Launch mode. It is equipped with high speed USB 2.0 standard interface and therefore requires no external power supply and is TWAIN and WIA compatible .