Smart Fingerprint Door Lock

This lock recognizes fingerprints in 0.3 seconds for quick, keyless entry. It offers two unlocking methods: fingerprint and mechanical key for emergencies. It supports 100 fingerprints, features a low battery alert, and includes a USB emergency power port. Price drops from $49.99 to $29.99. Shipping is free.

Price applies for the color "black" and this deal is valid only for Prime members.