In terms of security, it is necessary to prevent the card from being illegally copied and unlocked in an abnormal manner (such as tool dialing, smashing, sucking with a strong magnet, etc.), and the lock body should have a certain ability to resist external damage. In order to prevent the proximity of the proximity card, each sensor card is usually encrypted before it leaves the factory. Different users use different passwords. The card issuance management software is also protected by a password to prevent unauthorized persons from using the card issuing management software to illegally manufacture the card. Due to the three-lock anti-lock cylinder, when the laboratory door is closed, the anti-dial lock is pressed by the door frame, and the main lock is automatically locked, and cannot be opened or opened by the tool. In addition, the clutch mechanism driven by the motor has the function of preventing the strong magnet from being sucked, and the front lock body does not have any nails exposed on the lock body, and the tamper can be removed.
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