Brand Brother Product Name Brother ADS-2100 Document Scanner Model ADS-2100 Memory 256MB Country of Origin Japan Processor StarSapphire 400MHz Interface Hi-Speed USB 2.0 General Functions Easy to use, High scanning speeds, Automatic Document Feeder (ADF) and 2-sided scanning Power requirements AC 220V to 240V, 50/60Hz Windows ISIS2 , TWAIN & WIA (Windows®7, Windows® Vista & Windows® XP) Scan Scanner Type Automatic Document Feeder (ADF), automatic 2-sided (duplex) scanning Paper Handling Paper Input Up to 50 sheets (ADF) Paper Output Up to 50 sheets Standard Paper Types & Sizes A4, A5, A6, B5, B6, Letter & Legal Duty Cycle Recommended Monthly Up to 500 sheets Printer Drivers Macintosh TWAIN & ICA (Mac OS X 10.6, 10.7) Linux Compatible Dimensions Without Carton 299(w) x 220(d) x 179(h) mm / 3.3kg With Carton 383(w) x 291(d) x 285(h) mm / 5.4kg