The product page clearly claims that it is. I believe you of course, but I'm a little frustrated that the page claims otherwise.
http://www.ecowitt.com/weather_station/70.html
"Measures wind speed, wind direction, rainfall, outdoor temperature and humidity, solar radiation and UV. With a temperature, humidity and barometric pressure sensor inside the console".
I think that is just a bad Chinese to English translation. What they mean to say is that the console
displays the barometric pressure
inside the display, which it gets from the WH32B. The WH25 (or WS-1000-BTH) is just the old version of the same thing (which also works).
See that product photo with the white sensor to the side? That is the WH32B. It is different to the WH31 which does not have barometric sensor. You can only have one WH32B, but you have have up to 8 WH31 sensors. The WH31 looks identical but it only has temperature and humidity.
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