Bog fang Fingerprint Door Lock

Secure your space with this versatile 4-in-1 fingerprint door lock, offering fingerprint, password, 2 mechanical keys, and APP control. Enjoy rapid 0.3-second recognition and 1-second door opening. It accommodates 100 fingerprints and 50 passwords, featuring an upgraded large 160*160DIP fingerprint sensor for enhanced accuracy and stability. Includes a low battery alarm and USB emergency charging port (4 AAA batteries not included). Designed for easy installation on US standard doors (2-3/8" or 2-1/8" backsets, 1-1/8" to 2-1/8" thickness) and suitable for both left and right-handed doors. Backed by 24-hour customer service, a 30-day money-back guarantee, 12-month warranty, and lifetime technical support.