Key category：Fingerprint, Bluetooth App Unlock and Mechanical dir=\"ltr\" style=\"margin: 0pt 0px; padding: 0pt 0pt 11pt; font-family: Arial; line-height: 1.38;\">『Silent Mode』
This mode is suitable for environments that need to be kept quiet, such as night time use or when there are babies in the household, to reduce noise.
『Easy to Install』
Fingerprint deadbolt can easily be installed in a few minutes with a screwdriver. The fingerprint door lock is suitable for a backset scale range of 2-3/8 inches (60mm) and 2-3/4 inches (70mm), with door thickness ranging from 1-3/8 inches to 2 inches (35 mm-50 mm). The door knob fingerprint is suitable for bedrooms, houses, apartments, offices, and hotels.
Biometric Fingerprint Unlock
This smart knob door lock with advanced fingerprint
technology allows for 50 sets of codes, which is great for large families. And with a 99.99% recognition rate, this fingerprint
door lock can recognise your fingerprint in just 0.3 seconds, allowing you to get in quickly.
APP Unlocking
With Bluetooth connection, you can add fingerprints, remove fingerprints, set auto-lock and more for this smart door lock on
the Smart Life App.
Long Battery Life
Battery package could ensure 180 days using by single fully charge (door lock is opened 10 times/day).
Smart Auto Locking
The Auto Lock function allows the door to be locked
automatically within 10-30 seconds without manual operation
by the user. This ensures that the door is automatically locked after leaving, avoiding the situation where you forget to lock
the door due to negligence.
✨ Please do not scrape the surface with corrosive objects or sharp objects to avoid damage to the lock surface.
✨ This smart fingerprint door knob takes just 10 minutes to install quickly and fits all American standard left and right doors. Feel free to contact us with any installation questions.
✨ LNDU has a professional customer service team available 24 hours a day, 7 days a week. Our products come with an 12 month warranty and users can always contact our customer service team via email or live chat if they have any questions.
D500 Standard Packaging List
