Have you no idea when you was installing a door. This type of door can only be fitted by removing and then repeat it by the same process at the right position.
I'm parallel to your site, Italy. Scotland is chiefly parallel to Alaska, with some dipping as flat as Prince Rupert, BC. It is warmer on account of the bay stream.
I'm using electric door lock from many times, i don't want to mention its brand name because i build it by my self. It is an automated alarm and locking system which activate on little bit action.