This is my fav type of thermometer they are cheap enough (8$ whoa that is crazy high I pay about 1-2$) to own a number and check multiple units against each other. The ones that are off can be rejected. The rated accuracy is +/-2ºF better than the rating for accurites so many recommend, (+/- 2ºC about 4ºF). The worst thermometer I have ever owned were accurites. There is no such thing as accurate and cheap. There is accurate and expensive and cheap and suspect. Accurate thermometers are hardly cheap actually the best at the lowest cost I have come across is the herpstats they are cheap compared to most and have acceptable accuracy. I suspect cool hands and snake hanging out on the warmth.