Important!!!!!!
Why some customers said that is a good fingerprint lock, fast detection and user friendly, but some customers said no respond when using the fingerprint function to unlock and this is defective product?
Reason as below:
Optical fingerprint scanners need to determine whether the pattern of ridges and valleys in this image matches the pattern of ridges and valleys in pre-scanned images. So it isn’t suitable for all people. Specially, women, elderly and children are affected the accuracy when they use the fingerprint scanner according to the fingerprint pattern are blur and cool.
How to use the lock?
https://youtu.be/dVsy7f9cLqI
How to setup the Fingerprint door lock function as below:
Change master code
http://youtu.be/OawG_IiBLAw
Enroll fingerprint user
http://youtu.be/dHUYY6EWRJ8
Enroll code user
http://youtu.be/4nZk_yckNic