The Visioneer Patriot D40 Document Scanner is a high-resolution pass-through scanner from the Visioneer brand. With a maximum resolution of 1200 x 1200 DPI and a CCD sensor, this scanner provides clear and detailed scans of A4 and A5 sized documents with ease. It offers USB 2.0 connectivity for quick and efficient data transfer, making it a practical choice for scanning and digitizing your documents at home or in the office.