1．具有加减分功能（1、2、3分），并在数码管上显示双方比分

2．具有计时功能，每节总时间倒计时，24S倒计时，倒计时到声光报警

3．按下加减键显示和输入加减分，平时显示时间、时间精确到0.1S

4．具有暂停、启动功能

-1. With a plus or minus sub-function (1,2,3 points), and in digital tube display both the score 2. With timing function, the total time per session countdown, 24S countdown, countdown to the sound and light alarm 3. Press the plus or minus key to display and enter the plus or minus points, usually display time, the time accurate to 0.1S 4. With a pause, start function