A flap barrier is a type of physical access control system designed to regulate the entry and exit of pedestrians in secure areas. Unlike boom barriers, which control vehicle access, flap barriers are primarily used for pedestrian management in high-traffic locations. They consist of retractable flaps that open and close to allow or restrict passage. Key Components of a Flap Barrier: Flap Wings: Housing: Control System: Sensors: https://www.novusapl.com/Flap-Barrier-Turnstile-NS-FS9-V210.php