Film frame stopwatch (charged)

Easy but practical! You can measure the time just by tapping.
1/24 SEC, 1/30 SEC, 1/60 SEC are also possible.
How to use, start with tap → stop with tap → tap to clear
The clock panel changes every 6 seconds and can be measured up to 1 minute.
Press the HISTORY button to display the last 10 lists. Clear with AC
You can turn sound effect on / off with SOUND button. This setting is automatically saved.