Irritrol CL-W1 Climate Logic® Wireless Weather Sensor For simple, water-saving, weather-following, automatic irrigation control, Irritrol® introduces the Irritrol CL-100-WIRELESS Climate Logic Weather Sensing System. Consisting of three components–a wireless transmitting weather sensor for installation outdoors, a receiver module to attach to the Irritrol controller, and an SD card with the 10-year, local historical weather information–the system monitors weather data, transmits it to the module, then alters the controller’s program to “follow the weather”. As for compatibility, the Climate Logic Weather Sensing System works with the Rain Dial®-R, Total Control®-R, KwikDial® and the new MC-E controllers (blue model).