The legal for trade Digi DC-788 scale features a memory that can store 100 items. It has an RS-232 DB-9M connection and is compatible with the Zebra GK-420D, Zebra GK-420T, Epson TM-U220 tape, STAR SP512 tape, and Epson TM-U295 ticket printers. The display can simultaneously display the weight, unit weight, tare, and quantity and it has an auto-recomputing function.