Use Weather Envoy and WeatherLink software to easily download current weather readings from your Davis Vantage Pro2 or Vantage Vue weather station to your PC or Mac. It can also retransmit data to the console, effectively extending your station's range. Weather Envoy includes its own barometer and inside temperature and humidity sensors. This product comes in wireless and cabled versions and both include an AC-power adapter. WeatherLink software is required and sold separately. Available for sale in the United States and Canada only. What's Included: AC power adapter Download current reading from your Davis Weather Stations for PC analysis.