Functional features:

Dynamic two-dimensional code design, to avoid the copy and spread of two-dimensional code, truly achieve security protection

Static two-dimensional code sharing, with time and number of times, limit the use of visitors

The use of mini program design can quickly realize the traditional card access control upgrade to two-dimensional code access control

The docking of wechat public account can achieve access control interconnection while doing brand promotion, killing two birds with one stone

ER20 multi-function two-dimensional code access control system, can achieve a variety of registration methods, a variety of verification methods, is the perfect combination of two-dimensional code technology and access control system.

Wechat mini program flow chart:

Wechat public number flow chart: