Access options for secure entry Fingerprint, password with virtual password, and RFID card provide multiple secure access options. This supports convenient, flexible entry for different users and scenarios. Tuya app compatibility Works with the Tuya app to manage fingerprints, set temporary passwords, and review door opening records. This enables remote control, guest access management, and activity monitoring. Power and battery details Single Card access is powered by 4x AAA batteries (not included). A charging port is provided for emergency power use during power outages, helping to maintain access when the main power is unavailable. Stay Open Mode Stay Open Mode allows you to open the door without verification by pressing down the door handle, providing temporary or quick access when needed. Use scenarios Home and family access Ideal for households with multiple family members and guests. Register each trusted fingerprint, issue temporary passwords for visitors, and review access history to ensure secure entry without juggling keys. Small office or shared space Suitable for small offices or coworking environments. Grant access to employees or contractors via fingerprint, password, or RFID card, and generate temporary codes for visitors. Use the Tuya app to monitor who opened the door and when. Vacation rental or property management Useful for shortterm rentals. Provide guests with timelimited passwords, manage access remotely through Tuya, and track entry activity to maintain security and control between stays. In power outages, the battery and charging port help keep the lock functional.