Usage Tips:Description [2 Mode 3 in 1 Digital Timer]- Can be used as a countdown/up kitchen timer, alarm clock and clock. with 2 modes which are easy to change, you can set daily alarm under alarm clock mode. Under clock mode, you can watch the time on the top row, the below row for countdown/up, the Maximum time of countdown/up is 99 hours, 99 minutes, 59 seconds. Count up function can be used as a stopwatch [3 Different Ways to Place the Timer]- the product with retractable stand magnet . RETRACTABLE STAND: to put it on any flat surface; MAGNET: stick product on any magnetic/metal surface like a fridge and oven; can hang it anywhere [Large LCD Screen with Clear Digits]: Large LCD screen display (70*30 mm) can make you read the digits clearly and easily in a distance. Ideal and convenient for whose eyesight is not well. Powered by 2 X AAA batteries (not included) [3 Ways to Remind; Adjustable Beep Alert]- There are 3 ways to remind you when the countdown is finished or alarm clock (beep, flashlight and vibration). The beep alert is adjustable, you can adjust the volume level of the alarm by adjusting the fluctuation switch: High, Low, Off [Widely-Used]: Perfect timer for homework, exercise, gym workout, cooking, sports, games and classroom timer activities. A real good life reminder for you. Perfect gift for children and friends. Display: Double display, top is the clock, bottom is the time. Clock: 24-hour display Alarm clock: When the first setting is completed, will automatically rings the alarm after the timer. Settings do not have to be repeated. Positive timing: up to 99 hours/59 minutes/59 seconds Countdown: up to 99 hours/ 59 minutes/59 seconds Sound: Three methods of sound adjustment: loud / small / silent Vibration function: free to choose to open or close, vibration function can be used in the bell and it in silent mode. Flashlight: When the time has expired, the timer indicator flashes to confirm. Can be switched off: If the timer is not used, it can be switched off. To extend the life of the timer, it is recommended to remove the battery from the timer if it will not be used for a long time. Memory function: The timer automatically saves the last setting. After shutting down and restarting, the last operating setting is retained and continues to function.