Is the cat s eye of the security door too high, is it a quality problem of the security door?

Remove the brim of the hat, put a two-section iron rod in, and open the door at once. When you go out and enter the door, you have to lock the lock to the end, so that you can't open it through the cat's eye.

"Cat's eye" is the common name of the door mirror, which is generally installed on the iron door of the home. When someone knocks on the door, the people in the house can see the outside through the door mirror, which is very clear when looking inside the house through the door mirror, but when looking inside the house from the outside, it becomes very blurry. So it allows people in the house to distinguish whether the people outside are acquaintances or robbers.

The kitten's eye can't be seen, and there is a kind of projection cat's eye that can't be seen from the outside.

The security door at home is very important, it is an important guarantee of our home security. When buying an security door, some people will have questions:What is the difference between an security door with a peephole and an anti-theft door without a peephole? >>>More

Go to the market and buy one home, screw out the original one, and put the new one on, which is very convenient.