How big is the general anti theft door mat?

Standard BAI door sizes 950mm and 860mm, height 2050mm, 1970mm, 1930mmThe manufacturer has the size of the du, and the door opening is reserved for the width of the dao. >>>More

The security doors are all with door frames, and there are no separate frames. A set of normal ordinary security doors is about 800.

Now Class A security doors generally do not have a doorbell, which is not safe. You are using an old-fashioned security door, and the batteries used for the doorbell are generally 2 x 5 batteries or 3 x 7 batteries.

The most common security door lock keys are 6, and there are also 5 and 3 but rarely.

Reserve about one centimeter, you can also reserve a little more, if the door frame is big, you can also change it, if it is smaller. Then you have to do it again...