You'll get the Auto Attendance settings in Settings > Plugins > Auto Attendance.

1. Auto clock in on sign in: While sign in the staff user will be clocked in automatically. Here the IP restriction setting will be applied. Please note that, if the user is already clocked in from before this won't work.
2. Auto clock out on sign out: While sign out, the user will be clocked out automatically if he/she clocked in from before.
3. Auto clock out after certain hours: Here the user will be clocked out after certain hours. Cron job of RISE is required to perform this job.