I. Function introduction

   1. This product is widely used in lunch break, study time, beauty time, kitchen, sports, telephone, medicine, meeting... And so on.

   2. This product has the function of positive countdown, showing minutes and seconds.

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

   4. Count down to zero, and BiBi will beep for about 30 seconds.

   5. Button function:

     [Minute] key: minute setting key. You can hold down this key, 3-5 seconds after the value of the minute rapid advance, from 00-99-00 cycle.

     [seconds] key: Set the key in seconds. You can hold down this key. After 3-5 seconds, the value of seconds will rapidly increase, and cycle from 00-59-00.

     Start/Stop key: To start or pause the countdown.

     [Clear] key: Press this key to clear the set timing time.

Ii. Usage:

   1. Press the 'minute' button to adjust the required number of minutes.

   2. Press the 'seconds' button to adjust the required number of seconds.

   3. Press \"Start/stop\" to start the timer and press again to pause it. When the countdown returns to zero, the timer will sound \"BI-BI\".

   4. Press the \"Clear\" button to reset the setting value to zero.

   5. When the value returns to zero, press the \"Start/stop\" button to start forward timing.

   6. This product can be placed on the ground with a support, or it can be adsorbed on the magnetic metal surface by the magnet behind.

Iii. Battery Replacement:

   When the screen display becomes blurred or the sound becomes abnormal, the battery voltage will be insufficient, the need to replace the battery, to ensure the normal operation of the machine.

   Operation steps:

   1. Push the battery cover outwards and open it immediately. Open the battery cover and take out the old battery.

   2. Wipe the two sides of the new battery with a dry cloth. Pay attention to it and put it into the machine.

   3. Install the battery cover and tighten it.

 4. Use 1.5V(AG13) battery.