... can OEM the function Led Digit Sign1, Digit height:8”/10”/12”/16”/18”/20”/24”…etc.,(Supply according to customer’s ... request).2, One side, double sides, three sides are available,(Supply according to customer’s request).3, Color: Red, Green, White ... the functions of controller according to your demand.(Time,Date,Price,Temperature,Digit etc.) Rs232 LED Digit Sign(Gas Price,Time/Date Sign )