Ecowitt WS3900 Weather Station with 7-in-1 Outdoor Sensor and 7.5-Inch LCD Display

The Ecowitt WS3900 Wi-Fi Weather Station features a 7.5-inch LCD display with built-in temperature, humidity, and barometric pressure sensors for convenient indoor monitoring. It includes weather forecast and alarm clock functions for daily use. The included 7-in-1 outdoor sensor measures temperature, humidity, wind speed, wind direction, rainfall, UV index, and solar radiation, providing comprehensive weather data for a complete home weather monitoring system.

• WS3900 Display Console: 7.5-inch LCD color display, powered by a DC adapter or 3 AA alkaline/lithium batteries. Built-in temperature, humidity and barometric pressure sensors. Displays calendar, date, time, moon phase, sunrise, sunset, alarm and snooze function.
• WS69 7-in-1 Outdoor Sensor Array: This 7-in-1 sensor measures outdoor temperature & humidity, wind speed, wind direction, rainfall, UV index and solar radiation, supporting dual power supply: solar and battery.
• Weather Forecast Function: Detects weather conditions including sunny, partly cloudy, cloudy, rainy, stormy, snowy and blizzard. Records daily maximum and minimum values, features an RST function (clears daily extremes), and supports unit settings and daylight saving time (DST).
• IoT Connectivity: The display console can connect to sensors and IoT devices, receiving and displaying multi-channel data including temperature & humidity, wind speed, wind direction, rainfall, UV index, solar radiation, apparent temperature, dew point, CO₂, PM1.0, PM2.5, PM10 and Air Quality Index (AQI).
• Data Storage: Data can be stored on the Ecowitt server and supports uploading to third-party platforms. You can also connect to the ECOWITT APP via mobile Wi-Fi to view accurate data anytime.