Every Micro Climate Needs a Micro Manager.Established in 1981 Rain Master is and has been dedicated to providing state of the art water management solutions thru the use of a wide range of central control systems and communications technologies. Rain Master was first to introduce an Internet based wireless Smart ET/Weather Based irrigation controller with two way communication and Smart Alerts. With hundreds of installations across the US water savings have been reported in excess of 25 using ET/Weather Based controllers. Irrigation central control systems controllers and handheld remotes exceed irrigation industry quality and performance standards.