Internet access control uses a QR code as the medium and carrier for personnel identification. The system configures permissions for each user’s WeChat account. The user can open the corresponding door lock by scanning the QR code on the access control device, and use mobile at the same time. The technology of the Internet realizes […]

Residents must take the “access card” of the community gate, the “key” of the unit building gate and the “key” of their own gate when they go out. Whenever you forget your keychain, you must ask to help your family; Or when there are visitors, they need to register in the property office and confirm […]