timer with power switch countdown timer kitchen timer reminder chronograph stopwatch bk-750

this product has the countdown function, which can display minutes and seconds. the countdown time can be set to 9 9 minutes 59 seconds.

1. function introduction:

1. this product is widely used in lunch break, study time, beauty time, kitchen, exercise, call, medication, meeting, etc;

2. this product has countdown function, which can display minutes and seconds;

3. the maximum countdown time can be set to 99 minutes and 59 seconds;

4. when the countdown time reaches zero, the bibi sound is 30 seconds;

5. button functions:

key: minute setting key. you can press and hold this key without putting it. after 3-5 seconds, the value of express delivery will increase in minutes and cycle from 00-99-00;

the second key: the second key setting key. you can press and hold this key without putting it. after 3-5 seconds, the value of express delivery will increase in minutes and cycle from 00-59-00;

start/stop key; start or pause countdown;

clear key: press minutes and seconds at the same time to clear the set timing time.

2. usage:

1. press the "minute" button to adjust the number of minutes required;

2. press the "second" button to adjust the number of seconds required;

3. press the start/stop button to start the timing, and press it again to pause. when the countdown time returns to zero, the timer will sound 'bi-bi '.

4. press "minutes and seconds" at the same time to return the set value to zero;

5. when the value is zero, press the start/stop key to start the positive timing;

6. this product can be placed on the desktop using a bracket, or it can be absorbed on the surface of the magnetic surface by the magnet behind it.

3. battery replacement:

when the screen display is blurred or the sound becomes abnormal, the battery will be underpressed, and the battery needs to be replaced to ensure the normal operation of the machine.