Plustek OpticBook 3800. Maximum scan size: 297 x 216 mm, Scanner type: Flatbed, Optical scanning resolution: 1200 x 1200 DPI. Scanning media types supported: Plain paper. Standard interfaces: USB 2.0, Optional connectivity: USB. Scan drivers: TWAIN. Width: 453 mm, Depth: 285 mm, Height: 105 mm