Twist knob 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 time management easier 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 going 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 you need to remind. Use 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. Delivery Quantity: 1 piece. luckymeet