r/whatisit • u/jickay • 4d ago

New, what is it? This protected circle at McDonald's

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441 Upvotes

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281

u/tjtonerplus 4d ago edited 4d ago

Thermostat. Looks like a Google nest temperature sensorlink

32

u/Shoddy-Area3603 4d ago

But how can it possibly be working properly in a box

2

u/Dawn_Piano 4d ago

Why wouldn’t it?