... FLASH/SDRAM, support at least 500 transaction records.OSLinuxPower SupplyExternal switch powerInput: 100V~240V AC,50/60HzOutput: 8.5VDC, 2. ... keys with waterproof and dustproof, 10 alphanumeric keys,9 function keys,1 on/off switch, supports to input figure and letter,the ... padEmbedded pin pad, supports alphanumeric input and display, 3DES,ANSIX9.9,ANS9.8,above 100 secret keysModemSync (SDLC, 1200/2400/ ...