Plustek Opticbook 4600. Maximum scan size: 216 x 297 mm, Scanner type: Flatbed, Optical scanning resolution: 1200 x 1200 DPI. Standard interfaces: USB2.0. Weight: 3900 g. Power consumption (typical): 18 W, Power consumption (standby): 4.3 W. Certification: CE, FCC, UL/cUL, TUV