Scanner type: Sheet-fed scanner 600 x 600 DPI Colour scanning Duplex scanning A4 Scanning media types supported: Business Card, Post Card(JPN) Maximum scan size: 215.9 x 3048 mm Sensor type: CIS USB port Power supply type: AC The WorkForce DS-410 scanner offers outstanding productivity features at an entry-level price. This makes it ideal for small or home-office users looking to buy a feature-packed business scanner, as well as IT departments that want to invest in robust, versatile desktop scanners for their business.The DS-410 provides a range of invaluable productivity features including double feed detection and paper protection technology to make sure originals are protected and every page is scanned. A set of advanced LED sensors detects when two pieces of paper have been picked at once, instantly stopping the machine and alerting the user. Meanwhile paper protection helps prevent misfeeds and damage by stopping automatically when the device detects stapled or skewed documents.I