428 seconds
The 428-second timer is indispensable when you need to be accurate to the second: the beep will sound when the countdown ends.
The full-screen mode makes the timer visible even at a great distance from the screen, so you can use it in the kitchen, in the gym,or even at a presentation.
How many minutes are in 428 seconds-the built-in seconds-to-minutes converter will tell you.
