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门禁系统进出识别方式那种好? What is the headline access control identification method?

With the rapid development of modern technology, the access control system also has a variety of identification methods, from the initial password identification, to card identification, to biometric identification, and two-dimensional code access control systems, and continues to develop. So, which one of the access control system identification methods is better? Here are the advantages and disadvantages of the four access control system identification methods. Users can choose according to their actual situation. 1. Password identification: pass inspection ... Learn more >>