WeatherHawk wind speed sensor (anemometer) . Use as a replacement part only, not to be sold for use with equipment other than the WeatherHawk Signature Series weather station.
Three cup anemometer
Range: 1.75 -220 mph (0.78 - 492 m/sec
Starting Threshold 1.75 mph (0.78 m/sec)
Shipping Weight: Less than 1 pound (0.45 Kg)