Traditional Culture Encyclopedia - Hotel franchise - Does it cost money to upgrade the Innovi electronic lock?

Does it cost money to upgrade the Innovi electronic lock?

The quality is very good (the so-called first brand is a bit exaggerated, but it should be said that it is excellent in the domestic electronic lock industry, otherwise the mouse can't blow the elephant)

The quality is very good (the so-called first brand is a bit exaggerated, but it should be said that it is excellent in the domestic electronic lock industry, otherwise the mouse can't blow the elephant)