秒表/时钟计数器要求用六位LED数码显示时，分，秒，以24小时计时方式。使用按键开关可实现时分调整，秒表/时钟功能转换，省电等功能。 -Stopwatch/clock counter asked six LED digital display with hour, minute, second, the way to a 24-hour time. Button switch can be used to adjust hours, a stopwatch/clock function of conversion, energy saving functions.