Depending on the length of that probe, it would instantly become a permanent fixture on my brew cart so I can keep an eye on mash, hot water and wort temps
US - I do no chill, so hopefully I would be able to set it up to notify me when my wort reaches pitch temp. I'd also use it for monitoring fermentation.
Temperature - Monitor cold crash temps, fermentation temps, keezer temps, grain storage area temps, and temps for when I make my annual batch of dry cured sausage
Humidity - Monitor humidity when making dry cured sausage, grain storage area, s