Convenient Timer Function: This timer is convenient for time management. Use the digital timer count or countdown function to monitor different timing events, such as cooking, studying, exercising, controlling time, kids activities and meeting. Light&Alarm Notification: When the time is up, it will remind with beep and light you, so you can focus on your studies. If you're in a library, private study room, or studying late at night, and you don't hear the sound coming, you can mute it. You can also use it in a quiet place Memory function and friendly design: The digital kitchen timer restores the last timer date after the countdown is over, it is convenient to operate multiple sets of the same countdown situation, and with the stop button design, it will stop Like a game, it will motivate you in learning. 3 points of ease of use: 1. The screen is tilted at 45, which is easy to view no matter where it is placed. 2. Includes a safety lock function to prevent any wrong or accidental operation, especially when keeping the timer in your pocket or bag, so you can use it with. 3. Can be used with 2*LR44 batteries. It comes with batteries to confirm it's working, so you can use it right away while you're at it. Product Details: Dimensions (WxDxH): .2.2 x 2.8 x 0.8 inches (56 x 72x 21 mm );Display: 6-column digital LCD;Maximum solidification time: 99 hours 59 minutes 59 seconds. Color: As shown Material: ABS Package Contents: 1 x Timer Device Only includes the above package content, other products are not included Note: Lighting and different displays may cause the item's color to be slightly different from the real item. Measurement allowable error is +/- 1-3cm.