After all, I live alone so I still attach great importance to safety. This fingerprint lock has a visual function, you can lie on the bed and know the movement outside the door, and know who the other guy is.
If there is a friend at the door and it is not convenient to tell the password, you can remotely unlock the lock with your mobile phone.
It has hidden human body infrared detection. If the bad guy stays at the door for a long time and maliciously opens the lock, it can take a video and upload it to your phone.
Molly Yen