Mustek ScanExpress H610. Maximum scan size: 210 x 297 mm, Scanner type: sheet-fed, Optical scanning resolution: 600 x 600 DPI. Standard interfaces: USB 2.0. Width: 33 mm, Depth: 258 mm, Height: 31 mm. Power supply type: battery, Battery type: AAA. Display: LCD, Display diagonal: 25.4 mm (1 "), Display resolution: 96 x 64 pixels