Since I have been on a business trip for more than 1 month, I want to take the battery of the combin

Updated on Security door 2024-08-31
1 answers
  1. Anonymous users2024-01-24

    Because it is an intelligently controlled security door, it cannot be used with a normal power supply (to prevent power outages or artificial power cuts), so the battery is used, but the battery will be out of power, so it has to be replaced every month.

    Please, thank you.

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