Smart App Remote ControlWorks with Tuya Smart Life App, supports remote unlock, temporary password setting and unlock record checking, ideal for home and office management.Multiple Unlock Methods: Fingerprint, Password & KeyOffers fast fingerprint unlock, mechanical key backup, ensuring flexible and secure access.Low Battery Emergency SolutionsFeatures Type-C emergency charging port and physical metal key, preventing lockout when battery runs out, providing double safety guarantee.Sleek Black Design for Indoor Wooden DoorsMatte black finish, modern minimalist handle, perfectly matches bedroom, office and hotel indoor wooden doors, no damage to original door structure.Passage Mode for Convenient Daily UseSupports passage mode to keep the door unlocked temporarily, suitable for high-traffic areas like office corridors and hotel rooms, easy to operate.