If you will see then you will come to know that there is lots of benefits to electronic door lock systems over customary mechanical door locks. Benefits include programmable safety clearances, automatic door lock/unlock scheduling and centralized management.
There is an Access controlled doors which is utilized to safe regions which permit only certified personnel to go into safe regions. Those who are individual personnel he or she can have their own safety clearances handled through the access control system at the time of specific planned hours. This will negate the requirement to give keys and to chance the locks when the keys are misplaced or stolen.
At the time of ID badges replace keys then you can have permission set up through the access controlled system eliminating the security risk of keys being lost or stolen and a copy mad and used in an inappropriate manner. The employee who is leaving the company will simply require to have the database changed to reflect the departure rendering the ID badge useless.
This Access also electrically records every entry with a date and time stamp, in case any access issues arise.