Problem Explanation：
1. Turn on the mechanical switch,
2. Touch the switch button to start the machine (touch the button again,it will turn off),
3. You can gently touch the temperature adjustment button to select the appropriate temperature and touch the power off button to select the time to turn off Mi Smart Space Heater S, and then touch the sleep button to open the sleep mode.Please turn off the mechanical switch when Mi Smart Space Heater S is not in use for a long time.