Knob twist design, this timer is set to the time by rotating the control. Knob or turn the specified countdown or use it as a stopwatch. Special design makes it easier to manage time 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 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 film before use and attach it to the place where it can be absorbed by the magnet. Times up, it sounds to warn Large digit for easy reading, the LCD display to show the stopwatch digits more clearly, the minutes and seconds both be shown with large digits. Easy to read Memory function saves the last timer setting for quick repeated use. Good for kitchen time, baking, sports, classroom teaching or other things need to remind you with remind Usage Note Please remove the film, otherwise it will not stick Requires 3 x 1.5V AAA batteries, not included in the package. Three volume adjustments Quantity delivered: 1 piece luckymeet