Configure >>> Actions >>> Shutdown >>> %s:

%s %s %s %s %s %s
Action Delay: second(s) (=0,5,10,15,...,60)
Enable Shutdown
   Shutdown OS After:
   Hibernate OS After:
   Suspend OS After:
       minute(s) (=0,0.5,1,1.5,...10,15,20,...60,70,...360)
    UPS Shutdown Delay: second(s) (=0,10,20,30,60,120,...,600)