Anti Tailgating Access Control Wing Barrier Turnstile Gate Product Description This anti tailgating wing barrier turnstile is built to guarantee one person per valid credential at high traffic entrances . Six pairs of infrared sensors detect the exact position of every person in the passage , so if a second person tries to follow through without a valid credential , the wings will not open again and the attempted tailgating is blocked . The acrylic wings open in only 0.5
