Plustek OpticBook 4800. Maximum scan size: 216 x 297 mm, Optical scanning resolution: 1200 x 2400 DPI, Input colour depth: 48 bit. Scanner type: Flatbed scanner, Product colour: Black. Sensor type: CCD, Daily duty cycle (max): 2500 pages, Button functions: B/W scan, Color scan, Delete, Grayscale scan. Maximum ISO A-series paper size: A4. Standard interfaces: USB 2.0