How to open the door when the smart lock is out of power? Which unlocking method is safer?
With the continuous development of science and technology, people's locks have also undergone great changes. From the beginning of ordinary locks to the emergence of smart locks, people can enjoy a more convenient life, which also proves that people's quality of life is on the rise. Constantly improve. However, when using smart things, there will always be a situation where the smart lock is out of power. So, how to open the door when the smart door lock is out of power? How to charge the smart lock?
