... FLASH/SDRAM, support at least 500 transaction records.OSLinuxPower SupplyExternal switch powerInput: 100V~240V AC,50/60HzOutput: 8.5VDC, 2. ... 10 alphanumeric keys,9 function keys,1 on/off switch, supports to input figure and letter,the life cycle of key is ... DevelopmentLanguageSupport English and China 2 level word ,when is Chinese Input through the PINYIN and area code.UpdateRS232 from PCAdditional ( ...