Netatmo Wireless Anemometer with Wind Speed and Direction Sensor | Compatible with Netatmo Smart Weather Station | Easy Installation | Receive Smartphone Alert When The Wind Picks Up | Model NWA01-WW

"This is an add-on accessory of the Netatmo smart weather station (sold separately) Allows you to view wind speed and direction in real time directly on your smartphone.

Access your data history to track wind over time.

East Installation: set up outdoors up to 100 meters from your weather station's indoor module."