High quality double-walled clamshell design 203 dpi and 300 dpi resolution models Up to 177.8 mm (7") per second print speed Easy media loading Label capacity up to 214 mm (8.4") OD SD Flash memory expansion up to 4 GB Head open sensor USB 2.0, parallel and serial connectivity standard Optional internal Ethernet interface, cutter, standalone keyboard and peel-and-present assembly ENERGY STAR® qualified Cerner certified