From the Analytics Sessions panel you can get information about all sessions.
Stats for the last 30 days contain information for all Sessions, number of Locations, Hotspots, total Session Time, Average Time per session, and number of Daily Sessions.
Recent Sessions panel show last 10 started sessions with details for a Location name, Hotspot Name, Session Time, Start Time, End Time, Username and MAC address.
Session time by location and Session time by date gives information about the session duration in minutes and number of sessions per day and can be filtered based on time intervals.