A digital clock that shows the time on a big display, suitable for schools, clubs, restaurants, etc. The circuit is based on the microproccessor PIC 16C57, and ensures accuracy, reliability and easy construction.The time is shown in four large red digits that can be seen in a distance up to 20 meters.The time can be adjusted by small buttons in rear of the display. The microproccessorís PCB can be split from the digitsí housing. V 12-14 VDC P.S. 1063 PCB 75X275mm