Davis Instruments Anemometer for Vantage Pro2 and Vantage Pro2 Plus Weather Stations Replacement Part Only for Vantage Pro, Vantage Pro2 & Pro2 Plus Weather Stations Not compatible with Weather Wizard or Perception Sends wind speed and wind direction data to outdoor transmitter 40' of cable included if you want to "high-mount" the anemometer above the rain bucket Functional for Cabled or Wireless Vantage Pro Weather Stations