I agree with the general sentiment that we shouldn't hound on this thing for not being very accurate - professionals are using professional equipment, and this

I agree with the general sentiment that we shouldn't hound on this thing for not being very accurate - professionals are using professional equipment, and this is more likely aimed at preppers. I am surprised to see that they list the operating temperature from 10 to 40c - I wonder why it stops working outside those bounds or how off those bounds are. It would love to see someone to order a few of these and review them in all sorts of different tests.