Operation Method：

- Launch the battery cover and install a 1.5V AAA battery.

-Display screen appears, cover the battery cover

Time Adjustment:

- In time mode, press the hour key to select hours, press the minute key to select minutes, and press the second key to select seconds.

12/24小时转换：

- In time mode, pressing the start or pause button can switch the 12/24-hour time display. When the display shows PM, it indicates afternoon time.

Timing Mode:

Countdown

Press the pattern key to enter the timer mode: Press the time key to enter the hour setting. Setting range: hours are 0~23, press the minute key to enter the minute setting, minutes are 0~59, press the second key to enter the second setting, seconds are 0~59. Press the start key or pause key to start the timer, when the set data arrives, the timer will ring for 1 minute, press the pause key to end the ringing, when paused or ended, press the time and minute keys for 2-3 seconds (clear), the set data of the timer will be reset to zero.