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The effective operating range for the app is up to 5 meters.

Rapid battery drain can be due to several factors: Using different brands or mixing old and new batteries. Always use new batteries of the same brand. Ensure batteries are purchased from reputable sources. Verify the batteries are installed with the correct polarity (+/-). Inspect the external door panel for any signs of water infiltration.

No, replacing the batteries will not erase any user data or settings.

The lock provides a low-battery warning. Please replace all batteries promptly. If they die completely, a backup power port on the bottom of the external lock allows you to use a power bank for temporary access. Replace the internal batteries immediately afterwards.

Under normal usage conditions, the batteries typically last approximately six months.

Severe injuries may affect recognition. We recommend registering multiple fingerprints during initial setup as a backup.

No. The lock uses live fingerprint detection technology, which cannot be unlocked by a copied fingerprint.

You can easily add and delete fingerprints directly through the mobile application.

Gently clean your finger and the fingerprint sensor. Ensure your finger covers the sensor properly and try multiple times. When registering, scan the same fingerprint from different angles, or register multiple fingerprints from different fingers.

Yes, the lock has an IP65 waterproof rating, similar to many smartphones. For optimal performance, please ensure your fingers and the fingerprint sensor are completely dry during use.

The lock can store up to 100 fingerprints.