Large-screen Clock and Count-down Timer Showpin Electronic Sport Timer Digital Kitchen Timer with Red LED Alarm - Timer Reminder, Magnetic Backing and Table Stand,12h/24h Changeable (Battery Included) Counts Up and Down  As well as a countdown timer and minute timer this can also act as a stopwatch counting up from zero. Maximum time is 99 minutes, 59 seconds.Time display 12/24 hours changeable. Large LCD Screen and Big Digits  No Squinting Or Glasses Needed! Read It From Across The Room Easily. The size of the buttons also made for easy operate and visibility. Loud Alarm and Flash Red LED  Loud Enough To Be Heard Easily In Adjacent Rooms. Flash red led perfect for preserving your night vision and still being able to see the timer for night cooking and sports. With Back Stand and Magnetic Stick at Back Side  Convenient to place.You have 2 different choices for placement of the Kitchen Timer. Either stick it to the fridge door with its magnet, or use the pull out stand for table-top use. Mutiple Functions  Perfect timer for cooking, homework, exercise, sports, games and classroom timer activities etc.Showpin 1 year replacement warranty. No action for 5 minutes under &#039;COUNT-DOWN TIMER&#039; mode, the device returns to CLOCK mode. Only accurate to seconds, can not cccurate to milliseconds, thanks for your understanding! Type: Clock / Digital Timer/ Countdown Timer / Stopwatch Digital Display: Minutes and Seconds Function: Countdown/Countup Take away the battery compartment cover according to the indication on the back case, install 1 piece 1.5V(AAA)battery with correct polarity, put back the battery compartment cover, the device enters CLOCK mode first. Under CLOCK mode, press START/STOP button one time to change to COUNT-DOWN timer mode, Press &#039;M&#039;, &#039;S&#039; and &#039;START/STOP&#039; buttons simultaneously, the device returns to CLOCK mode. press &#039;S&#039; to change between 12h and 24h style. Press &#039;M&#039; for 2-3s to enter hour setting, then press &#039;S&#039; to change hour value. Press &#039;M&#039; one time again to enter minute setting. Press &#039;S&#039; button to change minute value. Press &#039;M&#039; button one time again to close CLOCK setting, the device returns to normal CLOCK mode. Under count-down mode, press &#039;M&#039; button to set minute value, press &#039;S&#039; button simultaneously to ZERO the minute and second value. After minute value and second value is set, press &#039;START/STOP&#039; button one time to start time counting-down, during counting-down, press &#039;START/STOP&#039; button one time again to pause, press &#039;START/STOP&#039; button one time again to restart counting-down from the pause point. After the device counts down to zero, it gives off &#039;d-di&#039; sound for about 60 seconds. To stop &#039;di-di&#039; sound before 60 seconds, press &#039;START/STOP&#039; button one time to realize. Digital Timer Clock AAA Battery User Manual