1, credit card password lock:
The card password lock can be opened with its own IC card, the operation is simple, but the IC card requires high. If you come into contact with a strong magnetic object, the IC card cannot open the password lock.
2, mechanical password lock:
The mechanical cryptographic lock is relatively stable, no power supply, but the operation method is slow, it is inconvenient, and the password needs experts.
3, electronic password lock:
The electronic password lock has the advantages of fast operation, easy to change the password, only the number of the previously set numbers can open the password lock, although the price of the electronic cryptographic lock has decreased, the quality has improved, but the complexity of the electronic password lock Therefore, the stability and practicality of the mechanical password will be better than the electronic password lock.
4, fingerprint password lock:
Since the fingerprint is difficult to find the same fingerprint in the world, fingerprint recognition technology is applied to other places, with strong confidentiality and ease of use.
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