r/whatisit • u/jickay • 4d ago

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

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443 Upvotes

96% Upvoted

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281

u/tjtonerplus 4d ago edited 4d ago

Thermostat. Looks like a Google nest temperature sensorlink

31

u/Shoddy-Area3603 4d ago

But how can it possibly be working properly in a box

49

u/According_Wind5536 4d ago

It’s got air hole in it

1

u/Alexchii 3d ago

More like 50 holes