Davis Vantage Pro2 Wireless Console/Receiver - 2nd Station 
Vantage Pro2 Console/Receiver
To view data from a Wireless Vantage Pro2 in additional locations, or for use with Wireless Temperature, Temperature/Humidity, or Leaf Wetness & Soil Moisture/Temperature Stations.
Compatible with Vantage Pro2 only; not compatible with original Vantage Pro.
Owner's Manual (pdf)