The Aqara A100 Zigbee Smart Door Lock supports multiple users, each with their own PIN codes, fingerprints, and NFC devices. Store up to 50 fingerprints, 50 PIN codes, and 25 NFC devices. Users can be set with different access levels. As part of your smart home, the smart lock can also be locked and unlocked with the Aqara Home and Apple Home apps. It can also be unlocked with Google Assistant. In addition, the Aqara A100 also supports one-time PIN codes which can be generated remotely, as well as periodic PIN codes which can be configured to work throughout a specified time period, and automatically expire at the end. User management is easily configured through the Aqara Home app. Adding or removing individual PINs, fingerprints, and NFC cards is straightforward and easy.