IMOU V1.0.0 Guia De Inicio Rapido página 7

Additional Information
Routine Maintenance and Protection
The product has a maintenance-free design. You only need to
perform the following routine operations to ensure that the
product works properly.
1. Suggest to test the product at least once every week. For
details on how to test the product, see "Alarm and Test".
2. Keep the product clean and remove dust from it with a
vacuum cleaner and soft brush at least once every year.
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