Ecowitt Wireless Digital Thermometer Hygrometer Monitor Temperature Humidity Meter, WH31(WN31) LCD Multi Channel Sensor (1 PC) for Home Office

Wireless Thermometer Hygrometer: include 1 sensor, this sensor measures current temperature and humidity with digital display; supports up to 8 channels allowing you to monitor your whole house(additional sensors sold separately) wirelessly Live Data on Free APP: requires a GW1100/GW2000 WIFI Gateway(sold separately);After the WIFI configuration, the live multi-channel temperature and humidity data can be viewed directly on the WS View App Remote Monitoring & Email Alerts: supports uploading to our free Ecowitt Weather server(ecowitt.net) to view all the data graph / download history records / set Email alerts for all the sensors on the website(requires the GW1100/GW1000 gateway) Up to 8 channels supported: allows you to track temperature and humidity at up to 8 locations (additional sensors sold separately), can be placed at your living room/bedrooms/baseroom/garage/guitar room/baby room and more; Each channel name can be customized as you like Long Transmission Range : the thermometer hygrometer sensor data is transmitted every 60 seconds using 868 MHz wireless signal up to 300 feet (100 meter) range;wall-mountable or hanging design - easy to Install, temperature accuracy: ± 1°C, humidity accuracy: ± 5% 【What Are The Differences Between WN31 And WN32】: ①WN31 is 8-channel temp-hygrometer sensor, while WN32 is single channel sensor; ②WN31 is recommended to use indoors, like in storage rooms, freezers, etc, while the WN32 is used outdoor; ③WN31 could not provide "feels like" and "Dew Point" data, while WN32 could provide; ④WN31's data could be displayed on "Temp and Humidity CHX" module(X means number 1,2,3...8) of Ecowitt APP, while WN32's data could be displayed on "Outdoor" module of Ecowitt APP.