Intelligent Wing Turnstile Precisely Controls Entry Time Product Description The Kemaisi intelligent wing barrier is specifically designed for indoor playgrounds , trampoline parks , and children ‘ s amusement parks , and is used with QR code wristbands . When a customer enters , they scan the wristband QR code to start timing . The system precisely controls the play duration . When the time expires , the turnstile automatically blocks further passage . The front desk or a
