r/whatisit • u/NerdyAutistic • 10h ago
Solved! What is this?
This was installed into our in ceiling heating/air unit over night at my job. It was never been there before and my coworker was panicking and making a fuss about it.
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u/Alternative_Sun8585 8h ago
Occupancy sensor. Usually for lighting . But can be configured for HVAC as well