From the manufacturer Product description Style:USB, 45ppm, 3yr WarrantyDesigned for greater efficiency in heavy-use environments, the DS-770 II document scanner delivers high-quality scans up to 45 ppm/90 ipm (1), plus a 100-page ADF. Included TWAIN and ISIS drivers ensure easy integration with existing professional document management systems, while a peak daily duty cycle up to 5,000 sheets (2) offers added dependability for busy workgroups. The DS-770 scans to online storage accounts (3), for greater efficiency getting critical documents to their destination. And, it’s all backed by an industry-leading 3-year limited warranty, with an Advance Exchange program featuring free Next-Business-Day shipping (4). 1. Based on letter-sized scans at 300 dpi in Black-and-White, Grayscale or Color Mode, using the USB interface. 2. Peak daily duty cycle is the highest recommended number of scanned sheets per day. For best results, do not exceed the peak daily duty cycle. Calculations based on a scanning speed of 45 ppm and an assumed daily use time. 3. With Epson Document Capture software installed on the connected Windows PC or Mac. 4. Subject to limited warranty terms and conditions. Expedited shipping not available in all areas. Road Service orders must be in by 3 p.m. Eastern Time for Next-Business-Day delivery. 5. Carrier sheet required. (Sold separately) 6. For convenient and reasonable recycling options, visit our official site. 7. SmartWay is an innovative partnership of the U.S. Environmental Protection Agency that reduces greenhouse gases and other air pollutants and improves fuel efficiency. Product informationStyle:USB, 45ppm, 3yr WarrantyProduct Dimensions11.7 x 12.5 x 7.7 inchesItem Weight8.1 poundsShipping Weight10.25 pounds ASINB071K8WPCPItem model numberDS-770 II