The system is easy to assemble and is ready for use quickly. To adapt to the door thickness, there are adapters made of plastic for the lock cylinder, these make a rather unstable impression; so far, the question arises as to whether and how long the system would withstand mechanical attack. The opening of the lock by means of the enclosed, mechanical emergency key is, I have not succeeded. Since more cancels the key, as that the lock can be opened. The keyboard is attached near the door. You could be relatively easy to tear down or destroy - the result would be the door will no longer open. This is a fundamental problem of this type of locking systems. I have the system combined with a self-closing latch, so I do not need to activate the external lock knob keyboard on leaving the premises to complete.
