How to turn off the perpetual calendar alarm clock hanging on the wall?

The closing method of the wall-mounted perpetual calendar alarm clock is as follows:

1, find the switch or power key of the wall-mounted perpetual calendar alarm clock, usually a button or switch, which is used to control the on and off of the alarm clock.

2. Press the switch or power button to turn off the perpetual calendar alarm clock. Please note that some alarm clocks need to be pressed for a few seconds before they are completely turned off.