Toro's advanced modular technology combines sophisticated features with simple operation to provide a customizable controller. Station count can be 4-24 stations, using 4 or 8 station modules. Real-time flow-sensing monitors up to three independent sensors and is compatible with the Toro TFS Series flow sensors. Versatile run times allow for additional watering flexibility. Add this to features like two levels of surge protection, compatibility with the TMR-1 Maintenance Remote, the rugged dual-use cabinet, and the convenient program-review feature and you really do have the ultimate in controller flexibility.