Introduction: Your office is a place where all your employees or, clients need to come for their purpose. But, you cannot give access to an unauthorized person to enter inside. The door should not have a very complex security system, then it will be problematic for the daily comers. It should have a flexible lock system that will only allow certain people through some verification. In the era of modern technology, you can use smart doors, where you don’t even have to put the password for the entry. You can just get verified by face recognition or, fingerprint recognition. There are several things you need to know before choosing an access system for your doors. What Is A Door Access System? In this system, the electronic device is used to control the incoming and outgoing of people. And how does it do that? The information of the incomers is stored in the system. Whenever someone is trying to get access through the door they have to put in the registered pin, or, have to use their