Kodak Scanmate i940 (1960988) up to 20 ppm/40 ipm up to 600 dpi Sheet Fed Document Scanner Scanning Speed: When AC-powered: black and white/grayscale: up to 20 ppm/40 ipm at 200 dpi; color: up to 15 ppm/30 ipm at 200 dpi When USB-powered: black and white/grayscale/color: up to 8 ppm/16 ipm at 200 dpi It scans two sides of a document in a single pass at up to 20 pages per minute. (Throughput speeds may vary depending on your choice of driver, application software, operating system, and host computer) Max. Document Size: 8.5 x 60 Automatic Document Feeder (ADF): Yes USB Ports: Yes Power Requirements: AC power supply and/or USB power via USB connector to the host computer Operating Systems Supported: WINDOWS XP SP3 (32-bit and 64-bit), WINDOWS VISTA SP1 (32-bit and 64-bit), WINDOWS 7 SP1 (32-bit and 64-bit) Dimensions: 11.4 x 3.1 x 4.2 Weight: 2.9 lbs.