Now the door will generally bring supporting the security lock, and some households will buy their own lock to let the master to help install up, after all, this lock thing, with the other is not the same.

Buy security locks, the first thing to consider is its anti-theft, security, followed by its cost-effective, brand, appearance, warranty and so on other objective factors.

Currently on the market there are emerging stealth lock, is installed in the room, outside the door without any exposed parts, high security level.