... .rs232 control system 4.We can OEM the function Led Digit Sign1, Digit height:8”/10”/12”/16”/18”/20”/24”…etc.,(Supply according ... .4.5.6.7.8.9.dot”,Fraction”1-9/10”and Decimal “Dot”.5, It adopts the Leds with Super ... of controller according to your demand.(Time,Date,Price,Temperature,Digit etc.) Rs232 LED Digit Sign(Gas Price,Time/Date Sign )