The ScanExpress A3 USB is a USB scanning solution for A3 size. It features high-resolution, color accurate scans up to 297 x 431 mm. That is large enough to scan an A3 size drawing or two A4 size pages simultaneously. The scanners include image-editing and photo-retouching software as well as optical character recognition software. With its 48-bit color abilities, the ScanExpress A3 can capture over 68.7 billion colors in a single-pass internally. The 48-bit data is used by color management software to accurately display and reproduce the best possible 24-bit image. The ScanExpress A3 USB is truly a cross-platform scanner. It includes all the software and hardware necessary to operate under Windows environments. The installation is easy with USB Interface. The long-life cold-cathode lamp inside the ScanExpress A3 provides up to 35, 000 hours of scanning time.