Fingerprint Door Lock, Smart Door Lock, Home Security Door Lock, Smart Electronic Bedroom Wooden Door Office Room Door

Simple Operation: Add or delete users any time with the ability to add up to 100 users. Add user:  Use the pin to press the options button and verify any registered finger(first time no need), then add a new user.Delete user: Use the pin to press the options button hold on for 5s and verify any registered finger, then it will delete all users. Simplified SafetyYour fingerprint is completely unique to you, making for the utmost security. Uses the semiconductor biometric fingerprint technology that prevent duplicate fingerprints happen.  This digital door lock is built with weather proofed zinc alloy and designed to withstand the elements.One-Touch AccessThe fingerprint scanner will wake automatically once you place your finger on it and is conveniently positioned to accompany your natural hand position.  One seamless action allows you to wake the lock, read your fingerprint, and unlock your door.The whole unlock action takes only 1 second. Can auto re-lock your door for you so your home is always safe