The key is in the upper right corner of the lamp:
ST/SP lower left button:
Button in the lower right corner of the mode:
The reset starts from the interface and shows the time.
Light: light
1 Press MODE once to enter the stopwatch.
1. 1 Press ST/SP once to start the timer, and then press ST/SP to stop the timer.
2 Press MODE twice to enter the alarm clock adjustment.
2. 1 Press RESET to change the option, and press ST/SP to adjust the time.
3 Press MODE three times to enter the time \ date \ week adjustment.
3. 1, press ST/SP to adjust the second.
3.2. Press RESET once and press ST/SP to adjust the score.
3.3. Reset by seconds, and adjust the hours by ST/SP (you can choose morning and afternoon or 24 hours).
3.4. Press RESET three times, and then press ST/SP to adjust the date.
3.5. Press RESET four times, and then press ST/SP to adjust the month.
3.6. Press RESET five times, and then press ST/SP to adjust the week.
Alarm clock adjustment: Press ST/SP and RESET at the same time in the interface. Note that there will be a Jason Chung pattern or other alarm clock switch on it. Press RESET to turn off the alarm clock after ringing the bell. If you press ST/SP to temporarily stop the alarm clock, it will ring again after five minutes.
I hope my answer can help you, and I hope it will be adopted!