Canon imageFORMULA DR-M140 Office Document Scanner Light Source: RGB LED Scanning Speed: Up to 40 ppm / Up to 80 ipm (Simplex / Duplex) Max. Document Size: 8.5 x 14 Automatic Document Feeder (ADF): Yes USB Ports: Hi-Speed USB 2.0 Power Consumption: 25 W Max. (Energy Saving Mode: 1.9 W) Operating Systems Supported: Windows XP Professional (32-bit / 64-bit) Windows XP Home (32-bit) Windows Vista (32-bit / 64-bit) Windows 7 (32-bit / 64-bit) Dimensions: 3.70 x 12.30 x 7.10 (with trays closed)