Froggit WH3900 Wi‑Fi Weather Station — 7‑in‑1 precision for dependable local weather insights

The Froggit WH3900 brings professional‑grade monitoring to homes, farms and small facilities with an elegant all‑in‑one outdoor sensor and a vivid indoor console. Get real‑time measurements in SI units, a 7.5‑inch colour display you can read at a glance, and built‑in Wi‑Fi for effortless sharing and remote viewing. Its solar‑assisted 7‑in‑1 sensor array tracks wind, rain and atmospheric conditions with impressive stability, while the 868 MHz long‑range radio link keeps data flowing reliably. Easy Bluetooth‑assisted setup through the companion apps means you are up and running in minutes. Curated by Stratosens.com, the WH3900 is a robust, expandable solution that grows with your passion for weather.

Key Benefits and Applications

• All‑in‑one 7‑in‑1 sensing — The compact outdoor array measures wind speed and direction, rainfall, outdoor temperature and humidity, plus solar radiation and UV, delivering a complete micro‑climate view for gardens, smallholdings and rooftop installs.
• Clear, at‑a‑glance console — A bright 7.5‑inch colour LCD with trend arrows, forecast icons, max/min and alarms helps you make quick, informed decisions for irrigation, outdoor work and event planning.
• Reliable long‑range reception — The 868 MHz radio link offers up to 100 m line‑of‑sight range, ideal for placing the sensor in the best exposure while keeping the console conveniently indoors.
• Effortless Wi‑Fi publishing — 2.4 GHz Wi‑Fi uploads your observations to popular weather services for remote access and data archiving, perfect for sharing with communities or monitoring a second home.
• Low‑maintenance operation — Solar assistance on the outdoor sensor supports longer battery life and fewer service visits, valuable for mast or rooftop installations.
• Expandable ecosystem — Add optional sensors such as soil moisture, leaf wetness, water leak and indoor air quality to tailor the system for precision gardening, greenhouse management or building monitoring.
• European‑ready SI units — Native support for °C, m/s, mm and hPa keeps your records consistent with European standards used by agencies and enthusiasts.
• Fast updates for timely decisions — Frequent wind updates help track gusts for safety, drone flying, sailing or beekeeping activities.

Featured technical specifications

• Outdoor measurements — Air temperature from −40 °C to 60 °C, relative humidity from 1 % to 99 %, wind speed from 0 to 50 m/s with full‑circle wind direction, rainfall from 0 to 9 999 mm, plus UV index and solar radiation via the 7‑in‑1 sensor.
• Indoor measurements — Air temperature from 0 °C to 50 °C, relative humidity from 1 % to 99 %, barometric pressure from 700 to 1 100 hPa with fine 0.1 hPa display resolution.
• Accuracy and resolution — Temperature accuracy typically ±1 °C. Wind speed accuracy ±1 m/s at low speeds and ±10 % at higher speeds. Rainfall accuracy ±10 % with 0.1 mm display resolution for totals below 1 000 mm.
• Update intervals — Outdoor data refreshed frequently, with wind updates around every 16 s. Indoor temperature and humidity refresh around every 60 s, barometric pressure around every 120 s.
• Wireless link — 868 MHz RF for sensor‑to‑console communication with up to 100 m line‑of‑sight reach; 2.4 GHz Wi‑Fi for internet connectivity.
• Display console — 7.5‑inch colour LCD with eight physical keys, backlight control on DC power, moon phase and sunrise/sunset display, programmable high/low alarms and max/min memory.
• Connectivity and apps — Quick Bluetooth‑assisted setup via WS View Plus and the Ecowitt app, with options for live viewing and data publishing to major weather networks.
• Power — Console powered by 5 V DC over USB with AA battery backup. Outdoor sensor uses AA batteries with solar assistance to extend service intervals.
• Expandability — Supports multiple additional wireless sensors, including up to eight extra thermo‑hygrometers, soil moisture, leaf wetness, water leak, particulate matter and CO₂ modules, to build a tailored monitoring suite.

Why the Froggit WH3900 is the perfect choice

Selected by the specialists at Stratosens.com, the Froggit WH3900 blends trustworthy measurements, SI‑unit clarity and effortless connectivity in a durable package that’s easy to install and easy to grow. Whether you’re fine‑tuning irrigation, improving building comfort or sharing your local climate with the community, you get expert‑approved hardware, practical expandability and the confidence that your weather station is ready for European conditions today and tomorrow.