turnstile
metal structure rectangular or circular shape rotating arms to allow passage a control panel or display a card reader or coin slot a lock mechanism to prevent unauthorized access a warning alarm
turnstile which has metal structure turnstile which has rectangular or circular shape turnstile which has rotating arms to allow passage turnstile which is a control panel or display turnstile which is a card reader or coin slot turnstile which is a lock mechanism to prevent unauthorized access turnstile which is a warning alarm