Irritrol Rain Master Eagle Plus EGP8-OPB 8-Station Expansion Module Kit. The Rain Master Eagle™ Plus controller takes internet-based Central Control and ET-Adjustment to a new level. The Eagle Plus retains all the must-have features and benefits of the Eagle, including iCentral™ cloud operations and ZipET™, and provides greater functionality on a more intuitive interface to equip the user with the tools necessary to maximize irrigation efficiency and water savings. Designed with an ultra-fast micro processor, the Eagle Plus enhances "real time" irrigation control.