Remote backups are sent to another datacenter in the same continent that your service (Ashburn USA for the US, Germany for EU zone and rest of the world). We use Borg Backups to do incremental backups with deduplication. It's very fast and efficient. This kind of backup includes only the data, not the software itself.
From the Dashboard, click on the Backups tab, then click on Automated Remote Backups.
From there you can make new manual backups, list existing backups or restore a backup.
Retention periods depend on your support plan: 7 days on Standard, 14 days on Premium and 30 days on Enterprise.