Scanner type: Flatbed scanner 1200 x 1200 DPI Colour scanning A3 Maximum scan size: 297 x 431.8 mm Sensor type: CIS USB port The Plustek OpticSlim 1180 is an A3, tabloid sized scanner, designed for high quality scanning of Art, photos, scrapbooks, genealogy research, newspaper, historical documents scrapbooks, documents, and other items up to 12 x 17in size. OpticSlim 1180 includes four one-touch scan buttons to simplify and automate the most common scanning functions (i.e. scan, OCR, PDF and email). Bundled sSoftware includes image processing, document management, PDF creation, highly accurate optical character recognition (OCR) and TWAIN driver. These features make it the ideal scanner for scrapbooking, genealogy, photo organizers, photo scanning, map scanning, historical document scanning, graphic designers, publishing companies, libraries, schools, small office/home office (SOHO) users and for those who require high quality large format scanning at a reasonable price.Large Format