Plustek SmartOffice PS406U. Maximum scan size: 216 x 1270 mm, Optical scanning resolution: 600 x 600 DPI, Sensor type: CCD. Standard input capacity: 30 sheets, Auto document feeder (ADF) input capacity: 100 sheets. Scanning media types supported: Business Card, Plastic Card, Thick paper, Auto Document Feeder (ADF) media weight: 40 - 220 g/m². Standard interfaces: USB 2.0. Scan drivers: ISIS, TWAIN