1)80*2 Hot-Key,32 Control Key 2)LED Display,double-faced,20 digits 3)OIML ... forms for review of sales results7)Easy network communication: program setting, multiple-machine networking, back-office management via either RS-232 or ... /10gLED DisplayDouble-faced, both 20 digitsKeyboard120*2 Hot-Key, 31 Control KeyStorage capacity6000 PLUsCommunication Ports1 x RS232, 1x TCP/IP, Optional ...