This is a digital timer to be used in Kumite of Karate.

Set the time , and the countdown toward the time set by pressing the start button. Will hear a notification sound before 10 or 30 seconds , you will hear the end of the sound and the time has elapsed . Notification sound and time over sound can change in setting.

Points is added when you tap the displayed label, and swipe down to decrease.

When you connect an external display, the time and the score will be displayed. Colors are reversed with an external display and iPad/iPhone screen, you are able to be used in the face-to-face .

Left and right of the color will switch when you tap the swap button .

The operation log is able to see later.

Also you can use it with Apple Watch.