This Hunter Wireless Rain Sensor can save you money by turning your sprinkler system off when it rains. | Sprinkler system, Sprinkler, Water conservation
Amazon.com : Rain Bird CPRSDBEX Wired Rain Sensor with Mounting Bracket and Wire, Gray : Automatic Lawn Sprinkler Heads : Tools & Home Improvement
Benefits of a Sprinkler System Rain Sensor - Reddi Sprinklers & Irrigation