A turnstile, also called a baffle gate, is a form of gate which allows one person to pass at a time. It can also be made so as to enforce one-way traffic of people, and in addition, it can restrict passage only to people who insert a coin, a ticket, a pass, or similar.
Integration can be done with biometric fingerprint , Face reader or card reader to allow access.
To controlled the passage of people.
To block unauthorized people passing the gate
To record the number of persons passing through.