For battery-powered operation of up to 4 automatic sprinkler or drip valves Engineered with high degree of water and dust resistance for outdoor locations Comes standard with one solenoid, adapters for a variety of 24 VAC valves, and mounting bracket; compatible with 24 VAC valves from Orbit, Hydro-Rain, and other major brands A and B program slots allow you to set up to two unique watering schedules; rain delay feature allows you to skip watering of zones during rain or freeze Each program has up to four different start times for cycle and soak windows; manual mode allows you to run one zone, multiple zones, or all zones