What are the precautions need to be taken for Mi Smart Plug (Wi-Fi)?

Please refer to the following precautions that need to be taken for the Mi Smart Plug (Wi-Fi):
1. The suitable operating temperature range is between 0°C to 40°C. Please do not use the smart plug in an environment with temperatures above or below the specified range;
2. The smart plug is a precision electronic product. In order to ensure its normal operation, do not use the smart plug in an environment with high humidity level nor allow water to get into it;
3. Make sure the smart plug is used in an area with a strong Wi-Fi signal. Do not place it near such objects as metal objects and microwave ovens, which may affect its Wi-Fi signal;
4. Store and use the smart plug away from heat, sparks, open flames, and other sources of ignition;
5. The maximum power output of the smart plug is 1800W. Please ensure the total power of electrical appliances connected to the smart plug does not exceed the maximum power.