Access control is generally defined as restriction to entry to a particular area or location. People who own large businesses and multi-national companies always need to keep a tab on entry of people. It is an important requirement for the safety and protection of the premises. But it isn’t that easy, keeping track on each and every person is impossible. Moreover, if one employs security personnel’s it could turn out to be very expensive in term of costs and may not guarantee safety at its best. It is here that the use of security and Access Control System comes into play; as it’s through this device that one can easily monitor who is entering and exiting the building premises. They can easily curb the entry of people who are unwanted and allow access to only people who are required. They can easily be defined as electronic guard keepers of buildings and large companies. The main system of the Access Control machines comprises of three main components. These include the Controller `Lock. `Access device -The controller works on a multi-level purpose where the host computer manages the entire system. The computer allows you to create and log new accounts, access controls and check the logs of in and exits. Controllers come in various types and designs, a more flexible and light one costs more than the basic ones. -The second component which are the locks, mainly denies the entry and exit of people. They get activated and disabled based on instructions from the host computer of the controller. If a person is unauthorized to enter, the locks will immediately stop his access entry and vice-versa. Locks are of electrical and magnetic types. The electrical ones are more cost-efficient than the manual ones but overall the magnetic ones are preferred because of simple installation process, performance and power consumption. -The third main component of the system is the access device which is very important. It is the access device which decides on the form of security for the preferred region. It comes with a variety of security options which are used depending on the gravity of the business and the situation. -The most common type of access devices used is the usual password protection or the magnetic cards to be punched and also the fingerprinting scanners. These are essential because the computer will only identify the person according to scanner. Miami is the hotspot destination for many travelers across the world. Safety and security of a person is imperative in today’s generation of high fraud. Businesses and resident of Miami are served with world class quality security products. Level On guards by UTC is a leading Access Control Miami provider which ensures faster and accessible control over someone’s entry. The surveillance systems Miami are installed nearly everywhere; from small companies to huge global offices and residential apartments. They offer good dependability, security, flexibility and handiness. Security of everyone working in building needs to be ensured and installing access control systems can determine a well-fortified security technology. Only such high-tech devices can make such things possible.