HP G2710 , Scanjet. Maximum scan size: 216 x 297 mm, Scanner type: flatbed, Optical scanning resolution: 2400 x 4800 DPI. Scanning media types supported: Card stock, Envelopes, Photo paper, Plain paper. Standard interfaces: USB 2.0. Mac operating systems supported: Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Scan drivers: TWAIN. Width: 450 mm, Depth: 287 mm, Height: 65 mm