The QR code Reader is a new generation of intelligent access control card reader. It has fast scanning speed, high recognition rate, High compatibility, and can be connected to any access controller that supports Wiegand input. It also support the RFID Functions, like 13.56MHz Mifare Ultralight / DESFire EV1,NTag, So that it can be applied in community management, visitor management, hotel management, unmanned supermarkets and so on.