Bought these to monitor the incubator, they are not as accurate as my temp sensors, they often read up to 5 degrees lower than the sensors and can vary each other within a few degrees. They are in the box with the sensors so I think they will be the same temperature as the sensor but they are not. Humidity doesn't need to be as accurate as in a stadium, and I think that's accurate enough for my purposes. Cheap and shipped quickly.
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