ECOWITT WN31 Wireless Multi-Channel Thermometer and Hygrometer Sensor, Indoor and Outdoor Temperature & Humidity Gauge with LCD Display, Remote App Monitoring, Dip Switches to Switch ℃/℉

Product description Feature Measures temperature and humidity.With display and work with GW1000/GW1100 Wi-Fi gateway(sold separately) to complete the WIFI configuration on our WS View Plus or Ecowitt App.Supports up to 8 sensors(additional sensors sold separately).Transmission distance in open field: 100m(300 feet)Fahrenheit and Celsius selectableIf you choose to upload the data to our own weather server, you can view the history graph and downlaod the history records on the website.Works with HP3501 WiFi Weather Station WH31 Wireless Multi-Channel Thermometer and Hygrometer Sensor.