Add a Smart Anemometer to your Netatmo Smart Home Weather Station. Together, they show the latest wind data directly on your smartphone. Using cutting-edge ultrasound technology, the Anemometer reliably measures wind speed and direction in real time. When the wind picks up you will receive a smartphone alert to let you know. Find out when a storm is coming or keep an eye on your garden. Find out more about changes in the wind/weather patterns. Customize your alerts to receive real-time information when the wind gets stronger or reaches a certain speed. Access data gathered by your Smart Anemometer via the app. View your data history to track the wind and learn about wind activity around your home while you are away so you can always know exactly which way the wind is blowing! Complete your Smart Home Weather Station with the Smart Rain Gauge and the Smart Anemometer (sold separately), and take control of the weather. With its full range of measurement options, you’ll be able to monitor all aspects of your environment. Features: View your data history in the app to track wind over time Receive a smartphone alert when the wind picks up Measure wind speed, direction and precise temperature Compatible with Apple iOS and Android smartphones, tablets and PCs via the Netatmo Weather Station app Simple and elegant design Fit the Smart Anemometer with ease Smart Anemometer Sensors and Measurements Records frequency: every 6 seconds (aggregated every 5 minutes) Units: m/s, km/h, mph, knots, Beaufort 4 ultrasonic transducers Wind speed: Range: 0 to 45 m/s (160 km/h, 100 mph); Accuracy: 0.5 m/s (1.8 km/h, 1 mph) Wind direction: Accuracy: 5° Operating temperature: - 20°C to 50°C / - 4°F to 122°F Non operating temperature: - 40°C to 65°C / - 40°F to 149°F Specifications: Dimensions: 110x110x85 mm / 4.3x4.3x3.4 inches Colour: Black/Transparent Guarantee: 2 Years Warranty Powered by 4 AA batteries (up to 2 years autonomy) You can connect only 1 Smart Anemometer to your Netatmo Smart Home Weather Station The Smart Anemometer works only with the Netatmo Smart Home Weather Station sold separatelyWireless connection (radio) between Smart Anemometer and main indoor module of the station: long range 100 m / 330 ft (without obstacles)Model Number: NWA01-WW