Digital electric timers

Digital electric timers
Features:
99 minutes to 59 seconds to one second countdown, to 0 after the tick reminder.
Recurrent memory function of timed memory
Forward and  opposite direction travel time function
Weight: 60 g
Voice: “di-di-di-di” sound
Step:
1: remove the battery cover at the bottom of the machine, install a G13 button battery, and enter the working state after the “di-di-di-di”, LCD display is 00.
2: according to the min key, the maximum can be adjusted to 99.
3: according to SEC key, the maximum can be adjusted to 59 seconds.
4: press the “min” button and “SEC” button at the same time to display the zero and return to 00.
5: after the minutes and seconds are adjusted, click the Start Stop button to start the countdown. (during the countdown, press the Start Stop button to pause the countdown, and then click the button again to start the countdown.
6: at the end of the countdown, the sound of “di-di-di-di” will ring for 1 minute, while the LCD display of the noisy process will remain unchanged. After a minute of noise, go back to the previous setting.