4.9" LCD Wi-Fi Weather Sensor with Built-in CO Detector & Multi-Channel Temperature/Humidity Sensor by ecowitt
Product details
| Management number | 214416775 | Release Date | 2026/04/12 | List Price | $36.00 | Model Number | 214416775 | ||
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The WN1821 IoT Wi-Fi Weather Sensor, featuring a 4.9-inch LCD display with integrated CO detector and WN31(WH31) multi-channel temperature/humidity sensor, is a high-resolution IoT weather station equipped with a 4.9-inch LCD display, built-in CO detector, and a Wi-Fi gateway. It facilitates indoor weather monitoring, including CO detection, and is compatible with multiple sensors such as WS90, WS69, WS68, WS80, WH40, WN31 (max. 8), WH51 (max.8), WH41/WH43 (max.4), WH45, WH57, WH55 (max.4), WN34 S/L (max.8), WN35 (max.8), WFC01/AC1100 (max.16). The sensor displays time, temperature, humidity, barometric pressure, and CO PPM values, and connects to upload data to weather servers (Wunderground, Weathercloud, WeatherObservationswebsite).
- Indoor Climate Monitoring with CO Detection
- 4.9" LCD Display & Integrated Wi-Fi
- Time, Temperature, Humidity, Pressure, CO PPM
- Supports Multiple Sensors: WS90, WS69, WS68, WS80, WH40, WN31 (max. 8), WH51 (max.8), WH41/WH43 (max.4), WH45, WH57, WH55 (max.4), WN34 S/L (max.8), WN35 (max.8), WFC01/AC1100 (max.16)
- Wi-Fi Connectivity for Data Upload to Weather Servers (Wunderground, Weathercloud, WeatherObservationswebsite)
- DC Power Supply with Adjustable Backlight Brightness
| Shape | Rectangular |
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| Brand Name | ECOWITT |
| Finish Type | glossy |
| Manufacturer | ecowitt |
| Power Source | Ac/DC Adapter (With Battery Backup) |
| Included Components | WN31 Sensor, WN1821 Display, USB to DC 5V Power Cable |
| Warranty Description | Standard manufacturer's warranty |
| Connectivity Technology | eingebautem Wi-Fi-Gateway |
| Specific Uses For Product | Indoor Weather Monitoring, Agricultural Monitoring, Hobbyist Weather Tracking |
| Recommended Uses For Product | Humidity, Pressure, Temperature |
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