Why the American house does not install anti-theft network and security door?
Because the Americans have guns, killing thieves do not break the law
The reason why Americans allow guns is also supported by this situation. You are absolutely impracticable in China.
Developed countries, family property will generally be insured, any person into the private territory is illegal, usually there will be monitoring the time to record the image, the state system so do not have to install security doors, security windows and the like --- -
