Flap barrier gate is a classic entrance access equipment, which provide uni-directional and bi-directional traffic with fast opening and closing. It is also called us retractable glass optical wing turnstile. When closed, the wedge-shaped glass wings meet near the top forming a barrier. When opened, the advanced design allows the glass to fully retract into the cabinet, creating an open, inviting look. With industry leading mechanical structure and advanced control system and DC motor control technology, the turnstile can work quickly & stably and validate accurately.