1、能记录整个赛程的比赛时间，并能修改时间、暂停比赛时间。

2、能随时刷新甲、乙两队的比分。

3、中场交换比赛场地时，能交换甲、乙两队比分的位置。

4、比赛开始后，由一个发光二极管点亮来指示，当比赛暂停或结束时，此发光二极管熄灭，比赛继续时又重新点亮。

-One can record the entire schedule of playing time, and modified, suspended game time. 2, can be refreshed at any time A, B teams score. 3, midfielder venue to exchange when the exchange of A, B match the location of the two teams. 4, after the match, lit by a light-emitting diode to indicate when the suspension or the end game, this LED is off, then re-lit match to continue.