Product review (2 stars): Goes a little nuts after two years
We've had this thermometer/hygrometer since August 2016. It's worked well up until about three months ago. Now the outdoor temperature can read as anything. One day last December we supposedly had a major temperature swing from 158F to 32F, all in under an hour. Granted we live in Arizona, but seeing as that's over 20 degrees hotter than the hottest temperature ever recorded (134F, Death Valley, 1913), I'm going to have to go with sensor malfunction here. Oddly, the outdoor humidity sensor seems to still work okay. Taking the batteries out and putting them back in (or using new ones) only seems to fix the problem for a few hours or days. The warranty is only for a year, and it only cost $20, so I guess I can't complain too much. But I'm going to buy something else to replace it.