-
It depends on whether there is anti-insurance in it. It's just that there is a switch under the pin hole, like a liquefied gas furnace switch. You can open the door and lock it inside, and use the key to open it on the outside to see if the deadbolt is retracted or not, if there is something that cannot be retracted, then it cannot be opened:.
-
Locked from the inside, the outside should not be opened.
-
Please do not insert the key inside the security door, otherwise you will not be able to open the door if you have a key outside the door.
Summary. Hello, if it is indoors with a key to lock the security door, after removing the key, the key outside the door can be used to open the security door, but if it is indoors with the key to lock the security door, the key is rotated 90 degrees and do not pull out the key, in this case, even if the key is used outside the door, the security door can not be opened. >>>More
The security door at home is plugged in with a key, and there is no conflict with the outside key, the outside can still be opened, you can try it yourself at home. It is not possible to open without any problems. >>>More
If you have a key, you can open it, unless the lock is faulty.
The anti-theft door is generally a lock cylinder that can only hold a key at the same time, you have a key inserted inside, and the outside must not be opened, now you can only find a way to pull out the key inside or knock it out, or find a lock company to open the door.
1. You can use the key to count the key outside and talk about it twice, so that you can push the key out inside, remember not to choose to hit it with a hammer or a brick. >>>More