Applicable to face, fingerprint, IC card, QR code smart identification devices for elevators, core contents include: first, recognition performance, face recognition accuracy ≥99.5%, IC card response time ≤0.5 seconds, supporting multi-level permission classification (owners/tenants/maintenance personnel), adapting to commercial-residential mixed buildings; second, data security, identification data locally stored, encrypted transmission, prohibited to upload to public cloud, complying with Personal Information Protection Law, data retention ≥5 years; third, emergency mechanism, physical emergency unlock during power failure/fault, retaining manual call function, Strictly prohibited identification failure leading to people being trapped; fourth, compatibility, supporting connection with elevator IoT platforms, community security systems, realizing one person one elevator, time period control, abnormal alarm. After implementation, the risk of illegal intrusion into elevators is reduced by 80%, providing core technical support for smart communities