... .Downy LCD backlit 4.Tare the load in full range Digital BalanceCharacteristics:1,Novel structure, downy LCD backlit, convenient operation, superior ... RS232 output interface, and was able to connect with computer, printer and other external coupled device5,Products with count, percentage, unit ... 33V,50HzUnitg,ct,oz,%Output interfaceRS232CDisplayLCDWarmed up time(min)180 Digital Balance Electronic Scale