About this item Twist knob design: This timer is set by rotating the control knob. Turn the knob to set the desired countdown time or use it as a stopwatch. A special design makes time management easy. Easy to manage time: This is a digital timer with a countdown function that can be used as a countdown timer, counting down from 99 minutes and 55 seconds to zero, or as a stopwatch counting from zero to 99 minutes and 55 seconds. Magnetic timer: It comes with a magnet and a non-slip mat on the back. Remove the protective film before use and attach it to a surface where it can be attracted to the magnet. When the timer goes up, it will sound an alarm. Large digits for easy reading: The LCD display shows the stopwatch digits more clearly; both minutes and seconds are shown with large numbers. Easy to read Memory function saves the last timer setting for quick repeated use. Great for cooking, baking, sports, classroom teaching, or anything else you need to remember.