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The Ecowitt HP2551 is a Wi-Fi weather station built around a 7-inch color TFT console and a solar-powered 7-in-1 outdoor sensor array. The console shows wind speed and direction, rainfall, indoor and outdoor temperature and humidity, pressure, UV index, solar radiation and moon phase, and it uploads readings over Wi-Fi. The outdoor array is wireless at 915 MHz with a rated 100 m range, and the console accepts up to 8 extra WH31 temp/humidity sensors. At $136.16 at eBay as of November 7, 2026, it sits at the low end of its recent range, with 3 stores pricing it new.
In stockSold by FINE OFFSETReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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Lowest price we've seen: $199.99 on Nov 7 at ecowittweather. Tracked across 1 store since Nov 7.
Owners of the HP2551 generally like the big color console and the all-in-one outdoor array, and many praise the easy Wi-Fi upload. Complaints center on setup fiddliness and the need for a sturdy pole mount.
The HP2551 Wi-Fi Weather Station comes with a large TFT display, which shows wind speed & direction, dew point, rainfall, indoor and outdoor temperature & humidity, air pressure, moon phase, solar radiation and UV index. It is fitted with the WS69 7-in-1 outdoor sensor (measuring temperature, humidity, wind direction, wind speed, light intensity, UV index and rainfall) and the WN32P indoor temperature & humidity sensor, letting you build your own professional weather station.
