For use with Weather Envoy and WeatherLink for a "direct to PC" installation or as replacement part for 6152, 6162 (without Solar Rad & UV sensor). Davis' innovative integrated sensor suite combines the rain collector, temperature and humidity sensors, and anemometer into one package, making setup easier than ever and improving performance and reliability. For improved accuracy, temperature and humidity sensors are housed inside a radiation shield. The shield protects against solar radiation and other sources of radiated and reflected heat. You may want to consider the solar powered, daytime fan aspiration kits that easily installs into this unit to increase accuracy of daytime temperatures (D-7747).