Easy operation press the Min or SEC button on the front of the display until the desired minutes or seconds are reached. If you want to scroll quickly, all you have to do is hold down the MIN or SEC button. If the user entered the wrong time, reset the timer to 00:00 by pressing the MIN and SEC buttons at the same time. Press the START/STOP button to start the timer function. Countdown starts counting in seconds. The "M" and "S" symbols start to flash while the timer is in countdown mode. The countdown can be stopped and restarted by pressing the START / STOP button. Loud sounding alarm. When the countdown is complete, the alarm sounds for 60 seconds before you close it, and the timer returns to the original time. Magnetic back, retractable stand and hanging timer can stick to the fridge door or other metal product with its large magnet; or use the pull-out stand for table use; also there is a hole on the back for hanging.