Then don't use it in the [insert warm place] ? -20 C to 45 C might not cover every place on earth, but they cover a significant portion. If you had to design a

Then don't use it in the [insert warm place] ? -20 C to 45 C might not cover every place on earth, but they cover a significant portion. If you had to design a first version of a product, in order to gauge interest of the market, wouldn't you have enough data point with these ? If the number one complaint is "operating temperatures are too narrow, I can't use it", I am pretty sure V2 will cover you. On top of that, it's pretty safe to say that the true operating marking of the product are wider than that, but that significant safety margins are taken just to be sure a unit does not explode.