Answer: Hello, our cabinet lock adopts three-level management mode, which are separately set up: management card , that is, the master card. All locks can be opened and can be used to set up guest cards and service cards; service cards and service cards cannot be unlocked individually. Must be used at the same time as the guest card ; if the card is unlocked with a single card, only the guest card can be used to unlock. If it is a dual-card unlock, the guest card and service card need to be used at the same time.
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