: Shell material: plastic Size:7.2*7.5*2CM(approx. 2.81*2.93*0.78in) 1. Product use: This product is widely used to set the time for cooking, midday, learning, beauty, soup, printing, driving, sports, calls, experiments, meetings, etc.; 2. Product function: 1. Countdown time range: 1 second - 99 minutes and 59 seconds; 2. Clear display: large screen, easy to see and easy to set time; 3. Memory function: After each countdown, pressing STOP/STAR will automatically return to the initial time you set. When using it next time, you only need to press the ST/SP button to restart the countdown; 4. End reminder: When the countdown is over, it will continue to remind with "di, di" sound for about 30 seconds before it stops. After the reminder sound ends, it will return to the initial time and wait for the next use. Sound Type: "BB... or DD..." sound 3. How to use: 1. Press the M key to set the length of "minutes", long press to fast forward 2. Press the S key to set the length of "seconds", long press to fast forward 3. Press the ST/SP key to start or stop the countdown 4. Press the M and S keys at the same time, the number returns to 0, and the time is reset 5. When the set time expires and reaches 0, the alarm sound of "DiDi, DiDi..." will be continuously issued to remind you that the set time has come. The size and type of the buzzer sound is not the basis for identifying the quality. If you have special needs for the size or type of the sound, please consult before purchasing. NOTE 1. As we all know ,the different computers display colors differently,the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size ,you can feel free to contact mewe will give you some suggestion,but it is for you reference only. 3.We could accept Mixed items,Colors And Sizes Order. The more quantities, the more Package include: 1 pcs*Household Goods Timer