Compared with mechanical lock and card lock, fingerprint lock has many advantages, especially in security. However, even fingerprint lock with many advantages will have some awkward problems, such as ...

If you have a fingerprint lock in your home, sometimes you may encounter the problem that fingerprints can't be identified. At this time, it may be a black question mark expression package. Then you b...

For a long time, I have no feeling about the intelligent door lock. The idea of key unlocking has been deeply embedded in my mind. As a member of Beipiao Rental House, I have some difficulty in making...

Now fingerprint lock is more and more popular, because it has a great advantage over ordinary lock. 1. Anti-theft Ordinary mechanical locks are easy to pry and open by technology, and they are opened ...

Compared with mechanical lock and card lock, fingerprint lock has many advantages, especially in security. However, even fingerprint lock with many advantages will have some awkward problems, such as ...

If you have a fingerprint lock in your home, sometimes you may encounter the problem that fingerprints can't be identified. At this time, it may be a black question mark expression package. Then you b...