Avision AV122. Maximum scan size: 216 x 356 mm, Optical scanning resolution: 600 x 600 DPI, Sensor type: CCD. Auto document feeder (ADF) input capacity: 50 sheets. Standard interfaces: USB 2.0. Bundled software: PaperPort 11, ISIS Driver, Twain Driver, Avision Button Manager, AVScan, Readiris 11/Cardiris 3.5. Width: 308 mm, Depth: 156 mm, Height: 145 mm