Convenient timer function: This timer is convenient for managing time. using the digital timer count-up or count-down functions to monitor different timing events such as cooking, study, exercise, control video , kids' activities and meetings. Light & Alarm notification: When the time is up it will alert you with a beep and a light, so you can focus on your studies.If you are in a place like a library, a private study room, or studying late at night and do not want to hear the sound go off, you can set it to silent.You can also use it in a quiet location! Memory function & User-friendly design: Our digital kitchen timer restores the last timer date after the countdown finish, Convenient operation for multiple sets of the same countdown situation, Large start and stop push button design, It is like a game that will motivate you to improve in studying. 3 points of ease of use: 1. The screen is 45° tilted for easy viewing wherever it is placed. 2. Include a security lock function to prevent any errors or unexpected operations especially when carrying the timer in your pocket or bag, so you can use it with confidence. 3. Can be used with 2*LR44 batteries.It comes with batteries to confirm that it's working properly, so you can use it right when you . Product details: Size (W x D x H): . 2.2 x2.8 x 0.8 inches (56 x 72x 21 mm); Display : 6 column digital LCD; Maximum set time: 99 hours 59 minutes 59 seconds. Colour: as shown Material: ABS Package Contents: 1 x Timer Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.