: Install fingerprint door lock in minutes by only a screwdriver. Interior lock back cover with adhesive for hands-free setup. offers a 12 months product warranty and offers a after-sales service. Contact us via hotline (Mon-Fri, 9am-5pm EST) or 24/7 email support.
: IP54 waterproof, auto-lock, privacy mode, anti-peeping user code protection, and a robust lock cylinder. Operating reliably in temperatures ranging from -22 to 158 (-30 to 70).
: 1. Ensure the door is fully closed. If the deadbolt cannot engage properly, adjust the backset accordingly. Also, make sure the hole depth in the backset is greater than 1 inch. 2. Enable the auto-lock feature and ensure that passage mode is turned off.