Ray Padula RP-SIOS-3 Sweeping Waters Professional Oscillating Sprinkler Precision engineered brass nozzles; evenly covers up to 2, 800-square feet 32-position dial adjustment knob; 1.5 second quick reverse non-puddling cam Durable, ezgrip deep thread hose coupling; low profile, aluminum runner design Included nozzle clean-out plug Lifetime guaranteed satisfaction policy