It is the timer which specialized in practice and a game of karate. In Practice mode, since the timer between the number of times of a set set to ... exercise time -> recess -> exercise time is repeated continuously, it is useful for practice of a sparring match, a shadow, a sandbag, etc., etc. (Interval timer function)Since signal sound can be sounded in game mode at the set-up time, it is useful when second sends a signal to a player. In addition, the function of the simple stopwatch is also equipped. Moreover, since a terminal can also be vibrated as a function of only a Pro version at the time of signal sound generating, it is possible to remain in a player and to send the signal of time, without seeing a timer at the time of the second of a game.