1
Specifications
Introduction
EVOLUTION
®
 Series Add-On:
Wireless ET Weather Sensor (EVO-WS)
ank you for purchasing Toro's Wireless ET Weather Sensor for 
your EVOLUTION® Series Controller. With the Weather Sensor, 
you will quickly realize savings in both time and money while 
keeping your landscape healthy and beautiful. 
e Weather Sensor system is designed exclusively for your Toro 
EVOLUTION Series Controller to continuously monitor on-site 
weather and make automatic adjustments to the watering schedule 
based on current conditions.
e sensor detects current sunlight level, temperature and  
rainfall and transmits this information wirelessly to the  
required Smart Connect (EVO-SC, sold separately) device 
plugged into the EVOLUTION Series Controller. e controller 
then adjusts the schedule runtimes to provide the optimum 
amount of water required for the next watering day.
To familiarize yourself with  
Wireless ET Weather Sensor system,  
please take a few moments to read  
through this guide in its entirety.
•  Dimensions:  
2.75” (7 cm) W x 7” (17,8 cm) H (over 2” [5 cm] anten-
na) x 6.25” (15,9 cm) D (over 4” [10,2 cm] mounting 
bracket)
•  9V Alkaline battery (included)
•  RF reception range:  
1000’ (305 m) LOS (line of sight)
•  Operating temperature range:  
14° – 140° F ( -10°– 60°C) 
FCC-ID: OF7WS9     
IC: 3575A-WS9