HP ScanJet Pro 2000 S1 Sheet-feed Scanner is built on Up to 600 dpi (color and mono, Sheet-feed) resolution which Quickly and reliably digitize larger projects with scan speeds up to 30 ppm/60 ipm and a 50-page ADF and Recommended for 2,000 pages per day.This printer is load up to 50 pages into the automatic document feeder for fast, unattended scanning.You can Easily transfer scans into editable text, secure PDF files, and more file types, using built-in OCR and Scan images directly into applications with included and full-featured TWAIN and ISIS.Its ADF specifications are Automatic document feeder capacity is 50 sheets of Xerox 4024 75 g/m² paper, Automatic document feeder speed is Up to 30 ppm/60 ipm 2, Scan size (ADF), maximum 216 x 3100 mm Scan size (ADF), maximum 8.5 x 122 in Scan size (ADF), minimum 50.8 x 50.8 mm Scan size (ADF), minimum 2 x 2 in.Here include USB 2.0 (Hi-Speed) connectivity.In this exclusive scanner , the power and operating requirements are Voltage Input Voltage range is 90 - 264 VAC , Rated Frequency is 50 - 60HZ, Worldwide use Power consumption is 3.6 Watts (ready), 1.0 Watts (sleep), 0.1 Watts (auto-off), 0.1 Watts (off), Energy efficiency ENERGY STAR certified; CECP; EPEAT (Silver), Operating temperature range is 10 to 35ºC, Recommended operating humidity range is 15 to 80% RH (non-condensing).This scanner Levels of grayscale is 256.You can Define scan profiles for common document types, and scan to multiple destinations with HP Scan software.