The LD9900 Series is a two line twenty character pole display. The LD9900 Series offers Serial RS-232 interface, Automatic smart message scrolling, Ergonomic design, and 9.5mm character height Part Details: Customer pole display - Telescopic - USB - 2 line x 20 column - blue-green vacuum fluorescent display - 9.5mm character height - OPOS command set - Port-powered - Single-sided - Gray
