The DS-320 compact duplex document scanner is the intelligent choice for efficient organization, whether working in the office or remotely. Featuring a 20-page Auto Document Feeder, the DS-320 quickly scans two-sided documents, business cards, & receipts. It also includes TWAIN & ISIS drivers for seamless integration with existing document management systems. Scan to online storage accounts like Dropbox & SharePoint, or to searchable PDFs & editable Microsoft Word & Excel files using the included software. You can power the scanner by AC or USBthe choice is yours. Scan Size (W x H): 8.5" x 44"; Color Bit Depth: 48-bit; Grayscale Bit Depth: 24-bit; Connector / Port / Interface: USB 3.0.