Product Introduction This QR Code Recognition Wing Barrier Turnstile Gate upgrades office building visitor management into a fully paperless, self service process. Visitors book online, receive a dynamic QR code and scan it at the gate to enter; permission is granted strictly within the reserved time slot and expired codes automatically become invalid. The gate also supports face recognition, RFID/IC/ID card, fingerprint and NFC, so employees can pass hands free. A brushless