Easy: it can be used also without the fitting of any electrical system.
Intelligent because it can be operated with a transponder key, with keyboard, with remote control.
Safe because the door is automatically locked by simply closing it.
Practical because with a single remote control you can also check many entry points: gate, overhead door, front door.
Generous because it can link up with anti-burglar alarm or to the domotic control system for an intelligent management of the house.
External opening on the external side a transponder reader, a keyboard or a remote control allows user to open via the electronic lock.