EPSON WorkForce DS-520N (B11B234401BU) Duplex 600 x 600 dpi USB Color Document Scanner Light Source: ReadyScan LED Scanning Speed: 30 ppm Max. Document Size: 8.5 x 36 Media Type: Plain paper, business card, plastic card Automatic Document Feeder (ADF): Yes ADF Capacity: 50 sheets USB Ports: USB 2.0 Other Ports: Gigabit LAN