NOVA Features The NOVA 6 zone controller is designed to have only 1 zone misting/watering at a time, not to exceed 20 watts per zone. Needed when water pressure and flow are of a consideration Common Features ? Easy to Install and Operate: Complete wiring diagram with instructions for installation and operation are included with each controller ? Small and Compact:  The NOVA measures 9.25in x 6.25in x 1.125in | Safe Operation:  The controller is supplied with a 120 volt plug-in transformer with 24vac out voltage for operating 24 volt ac solenoid valves. The 20 ft. cable from the transformer has special plug to easily plug into the controller ? Self-Resetting Fuse Protection:  A self-resetting fuse eliminates the need to change fuses and protects the units circuitry from electrical surges |Sturdy Plastic Enclosure:  UV protected, resists moisture and chemicals and easy to mount with the visible side mounting tabs |Wiring is made easy:  Each controller has a bank of wiring ports for ease of wiring to the solenoids