What is QR bar code access control system？

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Our QR bar code access control system is consist of 1 unit of 64 bit access controller, 1 unit of barcode scanner reader, 1 unit of drop bolt lock,or magnetic lock and 1 set of power box.
Technology development trend:

At present, QR Code Reader for access control is widely used in business office building visitor entry management, scenic tourist staff management, community visitor entry and exit management, administrative hall access control management, supporting gates, access control, visitor machines, smart homes, etc.; it achieves a perfect upgrade for traditional credit card systems in various industries.