Can the anti theft door be opened on the inside and outside?

The anti-theft door is equipped with an anti-theft lock, which can resist abnormal opening under certain conditions within a certain period of time, has a certain safety protection performance and meets the corresponding anti-theft security level. Generally speaking, the part of the lock body that can be controlled by the key on the outside, if you are inside, how to lock it, of course, can be opened. In fact, many locks can be seen that there is a small lock inside the door, and there is no keyhole outside, so you can't open it outside.

The electronic lock will be relatively better, it can be set up, and it can't be opened at all.

2. If you can't use the key a few times, you can also find an X-ray film to see if the lock in the door can be opened.

3. If the door is thick and there are grooves in the door gap. You can try to break the handle in the opposite direction by yourself, or use a tool such as pliers to pin it off, and the handle will generally fall off. And generally speaking, don't worry after the handle falls off, in fact, the only thing that is bad is the shell of the lock, and the intermediate structure such as the lock cylinder is not broken, just replace a shell.

Even if there is an anti-lock device inside the anti-theft door, it is not an anti-theft door.