Ambient Weather
Ambient Weather WS-2902 Smart WiFi Weather Station
$199.99
Released 2021
Best Home Weather Stations · head-to-head
Ambient Weather WS-2902 Smart WiFi Weather Station vs Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor
A sourced, side-by-side comparison. Ambient Weather WS-2902 Smart WiFi Weather Station is cheaper at $199.99. Every spec and price links to its source.
Ecowitt
Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor
$199.99
Released 2022
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| 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 |
Sources — Ambient Weather WS-2902 Smart WiFi Weather Station: ambientweather.com (verified 2026-06-26). Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor: shop.ecowitt.com (verified 2026-06-26).
What's the difference between the Ambient Weather WS-2902 Smart WiFi Weather Station and Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor?
Where the two actually differ on the specs we track (7 of 12). Matching specs are omitted.
- 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 false vs Ecowitt HP2551 Wi-Fi Weather Station with 7-in-1 Sensor true
- 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