Make sure this fitsby entering your model number. Smart modular control system with WiFi capability (accessory sold separately) accommodates 4 to 22 stations and is designed for residential and light commercial use Starts off with 4 base stations, but allows you to expand up to 22 with 3 or 6 station modules (sold separately) Non-volatile memory saves controller settings indefinitely, even after long power outages Features 1-touch manual watering Able to delay watering up to 14-days
