I think the best defense is an IR laser. They will fry the eyeballs of an intruder and they won’t even know what’s happening except for the pain and their lights going out.
You have to make sure you have IR lenses though or you will be blind too...
So how will you be able to point something you can’t see at a 4 mm wide pupil in both eyes of a moving target?
Hey, thanks for the tip! I didn’t know that.