OT: What is this?

[rustychisel]

Originally Posted by Doug Fattic

What it should do is somehow give a warning in case you have a bike on your roof rack and are about to drive in the garage with it still on top.

BINGO!

That is damned useful.

[smontanaro]

Originally Posted by reuben

Sprinkler sensor. When it senses rain, it will prevent the in-ground sprinkler system from starting, since there's no need for it.

I wish more people had these. I frequently see automatic sprinklers running when it's been (or currently is) raining. And I live in a region which doesn't suffer from drought.