The average Joe will recognize the tall, slender device at upper left as
a solar panel, sometimes referred to in the industry as a "sun sponge."
Installations out in the sticks often require their own power sources
because it is not economically feasible to run power lines all over
the place. The panel powers the two smaller devices below it.

The white box on the right is a motion detector.
The white cylinder at left is a motion eliminator.
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