シンプルストップウォッチ vs Referee Tools

Press the Start button to start the stopwatch. By changing the setting, the LED light next to the camera can be turned on at the same time as the start button, or the whistle sound can be output at the same time as the start button. With a simple design stopwatch that also has the basic functions of a stopwatch, you can notify the exact start of the stopwatch even to a distant opponent.

Simple and easy-to-use referee tool app. It can be used when refereeing soccer, rugby, handball, etc. ● Basic functions 1. Timer function Tap the time to start the timer. If you want to stop it, tap it again. The timer can be set to “countdown” or “count up”. When "countdown" is selected, a sound can be played when the timer reaches zero. 2. Whistle Press the "Short", "Long", or “Twice” button to sound the whistle. If the whistle icon is held down, the whistle sound will play the entire time (up to approximately 30 seconds). 3. Penalty cards Tap a card to display it in full screen. In the initial display, "yellow card" and "red card" are shown, but other color cards can be displayed in the settings.