The Rain Bird 12SA-RVAPRO mini rotor combines watering efficiency with accurate hand adjustment, no tools required. This versatile sprinkler allows you to apply multi-stream, water-saving coverage in more areas of your lawn - in narrow or wide corners, along curved walkways, even in outside corners. It is an ideal complement to other Rain Bird 12SA-RVAPRO mini rotors available in fixed full, half or quarter patterns. To adjust the sprinkler pattern from 45° to 270° just push down firmly on top of the nozzle and turn. To adjust distance from 13 to 18 ft., turn the stem collar. No other multi-stream rotor is so easy to fine tune, allowing you to keep water on the grass or garden, not on buildings, the sidewalk or driveway. In operation, the sprinkler produces remarkably low precipitation rates of 0.6 in. per hour, reducing water use up to 30 percent. The secret is in the nozzle's rotary multi-stream action.