Plustek OpticBook 3600 Plus, 8.5 x 11.7" (216 x 297 mm), 1200 x 1200 DPI, 48 bit, Flatbed scanner, CCD, Scan Plustek OpticBook 3600 Plus. Maximum scan size: 8.5 x 11.7" (216 x 297 mm), Optical scanning resolution: 1200 x 1200 DPI, Input color depth: 48 bit. Scanner type: Flatbed scanner. Sensor type: CCD, Button functions: Scan. Maximum ISO A-series paper size: A4. Standard interfaces: USB 2.0