These Davis Instruments Vantage Pro2 ISS units are the same sensors included with Davis Vantage Pro2 Complete Stations (Davis 6152, 6152C, 6153, 6162, 6162C, & 6163).
The ultimate in weather monitoring! Connects a Vantage Pro, Vantage Pro2 or Vantage Vue weather station or a Weather Envoy to your PC, MAC, irrigation controller or other device.