Anti-theft door lock about what it means
General right hand door for right hand lock left hand door for left hand lock
Simply say that is open from the outside when the door is used to open which side, or with the handle of the security door, outside the direction of the handle is where the side.
This is because the argument is not uniform, easy to confuse the phenomenon, the general habit of this provision, people stand outside the door (only a door if the door or 55 pairs of doors to open the lock with the often open) face On the left, locked on the right side of the installation, that is, right lock left open, hinge on the right, locked on the left to install, that is, left lock the right side of the lock Open, lock the name of the factory is open - left open right, the lock is the lock in the door position, generally locked right lock.
