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The Ecowitt WS3900 is a Wi-Fi weather console with a 7.5-inch color LCD and eight physical buttons. It has built-in temperature, humidity and barometric pressure sensors and can display readings from optional Ecowitt sensors across eight channels, including wind, rain, UV, solar radiation, CO2 and particulate matter. It uploads to Ecowitt.net by default and also to Weather Underground, Weathercloud, WOW and custom servers. It suits people building an Ecowitt sensor network who want a large desk or wall display; the console itself measures only indoor conditions until you add outdoor sensors.
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Buyers rate the console well, with 4.4 out of 5 from 18 ratings. They like the large readable display and the broad sensor support. Complaints center on the extra cost of sensors and the button-driven interface.
The WS3900_C is a Wi-Fi weather station console with a 7.5-inch color LCD and 8 physical buttons. It has a built-in temperature and humidity sensor and a barometric pressure sensor. It is not a standalone product and must be used with other sensors.
The console shows the calendar, date, time, moon phase, sunrise and sunset. It also has an alarm with snooze, Daylight Saving Time, a 5-level adjustable backlight, unit settings, and max and min value records. The RST function clears the daily max and min values. The forecast icons are Sunny, Partly Cloudy, Cloudy, Rainy, Stormy, Snowy and Storm Snowy. The console stands on a surface or hangs on a wall.
With optional sensors (sold separately), it receives and displays data for 8 channels of temperature and humidity, wind speed, wind direction, rainfall, UV, solar radiation, feels like, dew point, CO2, PM1.0, PM2.5, PM10 and AQI. When several sensors measure the same parameter, the console displays data from the one with the highest priority.
