The top-level Devices screen (also available by clicking Manage in the dashboard) lists the registered devices, along with their overall health:
The icons on the right of each device line allow some common tasks to be performed:
: Deploy a package to this device
: Reboot this device
Clicking on a device line in this view brings up some high-level device information:
Clicking the Name of a device provides a drill-down into the information for that device, described in the article Device Management Screen