Timer set for 45 minutes. Simply press start to activate the 45 min timer. Alarm is optional. Fullscreen.
The timer will tell you when your 45 minutes has run out. After that it will keep counting minutes and seconds upwards instead.
How to use 45 minutes timer
Sound notification (alarm) is optional. You can keep the timer running in the background if you for example open a new tab. If you have sound notification the timer will tell you when time is up.