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The advantage of having a window is that it can achieve a certain ventilation effect, but the disadvantage is that it becomes less private. Let's talk about the commonly used cat's eye, which thieves can get rid of and insert a special tool into the room to unlock the door. So it is better to recommend without windows.
I didn't see the picture, but you can look for Li Wen to lock the city, it's very famous, you should be able to find what you want.
The door sound should be the door leaf sagging caused by the hinge sound, 1, to the hardware store to buy a bottle of anti-rust oil about 15 yuan to spray. >>>More
Personally, I think that an anti-theft door with a ventilated window is the right choice. >>>More
There is no problem with safety, but it is better to ventilate in summer with screens.
The security door with a screen will close the metal sash at the screen in winter.