Bullet Points:1Large and Clear Digits: Just a glance from across the room and you can easily read the timer display with its big, bold digits. Ideal for those with not the best eyesight.23 Sound Modes: 3 levels of alarm sound mode, either silent, normal or up to 90db. No unnecessary beeping when making timer settings. You can hear this alarm in another room and no longer have to worry about overcooking. In silent mode, a flashing LED digit will alert you that the time is up.3Counts Up and Down: As well as a countdown timer and minute timer this can also act as a stopwatch counting up from zero. With metal knobs and a magnet back, it can be glued to classroom whiteboards or student tablets.4User-friendly: Maximum time is 99 minutes 59 seconds. You can quickly set the LED digital timer to 99 minutes 59 seconds with just a turn. Enough for your daily use.5Applicable Occasions: This LED Rotary Digital Timer is great for cooking, baking, learning, meditation and fitness. It can remind you on time, so you have no worries.Description:Maximum time is 99 minutes 59 seconds. With metal knobs and magnet back, it can be glued to classroom whiteboards or student tablets. The timer will be displayed in large fonts, making it easy to read from a distance.Specification:Name: Kitchen Digital TimerWorking Voltage: 4.5V (3 AAA batteries of AAA size)Material: hardware + ABSTiming Range: display minutes and seconds;Timing max:Minutes 00~99; Seconds 00~55Working Temperature: 0C~50CVolume File: mute/loud 80~90DB/whisper 60~75DBBattery Life: 3 monthsProduct Color: blackProduct Size: diameter 78*27.5mm /3*3*1 inchBare Metal Weight: 70gProduct List:1*Digital Timer (without battery)