ECOWITT WS3901 Wi-Fi Weather Station Kit, Includes WS3900 7.5'' Colored LCD Display Console and WS90 Outdoor Sensor Array, IoT Function, 915 MHz

★★★★★ 4.8 60 reviews

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Management number 208324388 Release Date 2026/03/22 List Price $96.00 Model Number 208324388
Category
  • 【Latest Multifunctional Wi-Fi Weather Station Kit】Ecowitt WS3901 weather station kit includes WS90 7-in-1 outdoor sensor array and WS3900 indoor 7.5'' IoT supported LCD console.
  • 【Compact & Built to Last Outdoor Sensor Array】The WS90 integrated outdoor weather sensor collects accurate temperature, humidity, wind direction/ speed, light and UV levels, and rainfall data. After pairing with it and finishing the Wi-Fi configuration, the live data can be viewed on the WS3900 display console or Ecowitt APP.
  • 【7.5'' IoT Supported LCD console】The WS3900 indoor display console, the Ecowitt latest developed display console, has a built-in indoor temperature/humidity sensor and barometric pressure sensor. WS3900 supports connecting to a 2.4 GHz Wi-Fi network for viewing data from anywhere on your phone, tablet, and computer browser, all for free. The WS3900 can be used not only as a Wi-Fi gateway to support the reception of the Ecowitt sensors' data but also as an IoT gateway to pair with the Ecowitt IoT devices, such as the WFC01 watering timer and the AC1100 smart outlet plug. The WS3900 can pair with up to 16 IoT devices.
  • 【Sensor Data Can be Displayed on the WS3900】Except the WS90, the WS3900 display console can pair with 1 × WS80, 1 × WS69, 1 × WS68, 1 × WH40 rain gauge sensor, 1 × WN32/WN32P sensor, 1 × WH45/WH46 air quality sensor, 8 × WN31/WN30/WN36 sensors, 1 × WH57 lightning detector sensor, 4 × WH41/WH43 PM2.5 detector sensors, 4 × WH55 water leak detector sensors, 8 × WH51/WH51L soil moisture sensors, 8 × WN34L/WN34D/WN34S sensors, 16 × IoT Devices,such as WFC01 watering timer and AC1100 smart outlet. (Except WS90, other sensors are sold separately.)
  • 【Easy to Wi-Fi Configuration & Support Upload the Data to Internet】There are two options to finish Wi-Fi configuration: The Ecowitt APP and the web page(192.168.4.1) (The WS3900 user manual will guide you on how to finish the Wi-Fi configuration in detail). Support uploading data to the weather station server after connecting to the Wi-Fi network: ecowitt.net/wunderground/weathercloud/wow.metoffice.gov.uk or customized servers.
  • 【RF Frequency】915 MHz
Manufacturer ECOWITT
Item model number WS3901BU
Package Dimensions 9.72 x 6.5 x 6.22 inches; 2.87 Pounds

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