Household Use K6    Figerprint丨Shadow password丨APP unlocking Learn More >
Household Use K8    NB-IoT | NFC | Figerprint | Password Learn More >    Watch Video >
Household Use K3    Key | APP | Proximity Card | Figerprint | Password Learn More >
Apartment Use K2    NB-IoT | NFC | Figerprint Learn More >
Hotel Use K1    NB-IoT | NFC | Figerprint | Password Learn More >
Hotel Use K0    NB-IoT | NFC | Password Learn More >