The Walmart Expert Gardener Gear Driven Oscillator is ideal for watering large, rectangular areas. Easy to slide pattern tabs adjust the spray distance from full to a partial coverage. Create a custom pattern by turning the dial to conform to an array of yard widths and lengths. Equipped with the quiet, state-of-the-art gear driven motor and precise flow nozzles which distributed water evenly over the entire area every time. The innovative wide base design makes repositioning easy and reduces tipping.