On 12/20/2016 10:02 AM, Taxed and Spent wrote:
....

Leave the light running all the time to show things are fine. If the
light goes out, temp has dropped or the power has failed.

The power outage at the moment defeats the system, granted...still have
then to check manually unless were to run a battery backup and it's not
frequent enough to make that worth the effort, probably, 'cuz then have
to keep the battery charged/replaced.