Fingerprint Graffiti Doors Locks Smart Ball Door Lock with for Key

Remote control: The smart door entry lock is managed with the Tuya for Smartlife app. Unlock the door with your phone anytime, anywhere within range, and check access logs. Smart door lock: Supports 3 unlocking methods, including fingerprint, mechanical key, and Tuya app connection. You can also enable a passage mode, allowing children and the elderly to enter and exit without restrictions. Biometric fingerprint sensor: The biometric fingerprint sensor prevents replication, with a recognition time of less than 0.5 seconds and high accuracy. Suitable for ages 4-80, capable of storing up to 100 fingerprints. Smart access control: With advanced fingerprint recognition technology, keyless operation, and simple, fast unlocking. Low battery alert: Operates on 4 AA batteries that last 6-8 months. Batteries not included. When the battery is low, the lock will sound an alarm to indicate it needs replacing. Use a power bank as an emergency power source when the lock's batteries run out. Note: This interface is for emergency charging only; the battery cannot be charged and must be replaced promptly.