Since it is communicable for Bluetooth Mesh device within a certain distance, can my neighbor control my device?

Each user account will have its own Mesh Network ID. During the process of adding a device, the information will be synchronized to the device to be added to complete the basic configuration.

Once configured, Mesh devices will no longer be discovered by others, nor will other users control your Bluetooth Mesh device. We also use multiple encryption during communications to keep your information secure.