Yes, you can link as many dot.devices as you want to a single dot.Profile!

Just make sure to activate your dot.devices using the same email + password login credentials to link them to the same dot.Profile.

If you plan to have multiple dot.Profiles, you need to create separate profiles then you can link your dot.devices to those profiles using their respective login credentials. Each dot.Profile requires a unique email address.

If using the same phone to activate your dots, please note that you need to log out of your first dot.Profile before you activate the second dot.card or else it will link to the first profile.