The Rachio 3 Smart Sprinkler Controller raises the smart watering bar with foolproof installation, dual-band Wi-Fi and an expressive light bar. Rachio 3 is the only controller equipped with hyperlocal Weather Intelligence Plus. The Rachio 3 Smart Sprinkler Controller automatically creates watering schedules that lower your water bill and ensure a beautiful yard, while the mobile app lets you manage your sprinkler system from anywhere. Rachio partners with the top smart-home platforms including Amazon Alexa, the Google Assistant, Nest, IFTTT – making it the most connected controller on the market. App Compatibility - Android 4.4+; subject to change. Mobile app is required to connect the controller to Wi-Fi. Systems that source water from a well will likely need a pump to add pressure for sprinklers.