# Ambient Weather WS-2902 Smart WiFi Weather Station vs Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor: specs and price compared

A sourced, side-by-side comparison of the Ambient Weather WS-2902 Smart WiFi Weather Station (Ambient Weather) and Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor (Ecowitt) among home weather stations. Ambient Weather WS-2902 Smart WiFi Weather Station is the cheaper of the two at $199.99.

## Side by side

| Spec | Ambient Weather WS-2902 Smart WiFi Weather Station | Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor |
| --- | --- | --- |
| US price | $199.99 | $199.99 |
| Brand | Ambient Weather | Ecowitt |
| Released | 2021 | 2022 |
| Sensor count | 7 | 8 |
| Temp accuracy f | 1 | 1.1 |
| Wind speed max mph | — | 112 |
| Rainfall gauge type | tipping-bucket | haptic piezoelectric |
| Connectivity Wi-Fi | Yes | Yes |
| Data update interval sec | 16 | 16 |
| Display type | LCD | large TFT |
| Solar powered sensor | No | Yes |
| Cloud platform integration | AmbientWeather.net, Weather Underground, IFTTT, Amazon Alexa, Google Assistant | Ecowitt.net, Weather Underground, WeatherCloud, WOW |
| Wireless range (ft) | 300 | 328 |
| Battery backup | Yes | Yes |
| Uv solar radiation sensor | Yes | Yes |

## Key differences

- Sensor count: Ambient Weather WS-2902 Smart WiFi Weather Station 7 vs Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor 8
- Temp accuracy f: Ambient Weather WS-2902 Smart WiFi Weather Station 1 vs Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor 1.1
- Rainfall gauge type: Ambient Weather WS-2902 Smart WiFi Weather Station tipping-bucket vs Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor haptic piezoelectric
- Display type: Ambient Weather WS-2902 Smart WiFi Weather Station LCD vs Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor large TFT
- Solar powered sensor: Ambient Weather WS-2902 Smart WiFi Weather Station No vs Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor Yes
- Cloud platform integration: Ambient Weather WS-2902 Smart WiFi Weather Station AmbientWeather.net, Weather Underground, IFTTT, Amazon Alexa, Google Assistant vs Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor Ecowitt.net, Weather Underground, WeatherCloud, WOW
- Wireless range (ft): Ambient Weather WS-2902 Smart WiFi Weather Station 300 vs Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor 328

## Sources

- Ambient Weather WS-2902 Smart WiFi Weather Station: https://ambientweather.com/ws-2902-smart-weather-station/ (ambientweather.com, verified 2026-06-26)
- Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor: https://shop.ecowitt.com/products/hp2551 (shop.ecowitt.com, verified 2026-06-26)

Canonical: https://frontdeskreview.com/gear/home-weather-stations/ambient-weather-ws-2902c-vs-ecowitt-hp2551/
Cite: Per The Front Desk Review, Ambient Weather WS-2902 Smart WiFi Weather Station ($199.99) vs Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor ($199.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/home-weather-stations/ambient-weather-ws-2902c-vs-ecowitt-hp2551/
License: CC BY 4.0.