The amount of time (in seconds) the outlet will delay
powering off when a command that requires
a turn-off delay is issued.
Allowed values are:
-1 never power off automatically.
0 power off immediately.
15 power off 15 seconds after being commanded.
30 power off 30 seconds after being commanded.
45 power off 45 seconds after being commanded.
60 power off 60 seconds (1 minute) after being commanded.
120 power off 120 seconds (2 minutes) after being commanded.
300 power off 300 seconds (5 minutes) after being commanded.
If a value other than a supported value is provided in a
set request, the MasterSwitch VM interprets it as the next lower
acceptable value. If the provided value is lower than
the lowest acceptable value, the lowest acceptable
value is used.