The residential property sells Bluetooth cards.

Yes, access control is to ensure the safety of the owners, and the property management company is not a god. It is impossible for everyone to know about such a big community. If you accidentally mix thieves and pry open someone else's door, causing losses, look for the property. The property is innocent, but you have to bear the responsibility. If the access control system is turned on, many owners may not be used to it at first, but there is already a layer of security. Besides, it won't cost much to buy a peace of mind for 50 yuan. Now many large and medium-sized cities have similar property models. You don't need access cards in the community. Basically, better residential areas have generally opened access control systems. A family of four or five people, that is, two or three hundred dollars, can be used for many years.