What is the keyhole on the side of the security door used for?

Updated on Security door 2024-03-05
2 answers
  1. Anonymous users2024-01-23

    Are you talking about the switch on the handle, I don't understand the problem you said.

  2. Anonymous users2024-01-22

    s made great efforts

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2 answers2024-03-05

The side lock of the anti-theft door is also called the anti-lock, or also called the hidden lock. Handle locks will have this. After installing the side lock, people can't get out of the room with a lock, unless they knock on the door, people can come out. This prevents thieves from being able to do anything even if they are highly technological.

1 answers2024-03-05

I feel that the brand is not very important, the key is how to choose the door, many unknown anti-theft doors are the same as the brand, the price is still very favorable, you might as well take a look, now the fingerprint password key three-in-one door opening method is very common.

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Generally speaking, the ordinary anti-theft door is about 1500 yuan, which is D-level.

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Door opening measurement:

Door opening width: upper, middle and lower 3 times, take the narrowest distance. >>>More

1 answers2024-03-05

Dear, this requires a global exploration of the feng shui direction and a clear understanding of the house where the door is located in order to give you specific advice.