The K-Rain Easy Set has 4 built-in water saving nozzles to help you reduce water consumption up to 30%. Simply select spray pattern and corresponding water saving nozzle for uniform watering. It has 5 year warranty.. 1.2 to 5 GPM output on select nozzles for maximum watering efficiency. Patented easy arc set, with adjustability from 40 - 360°, allows you to select desired spray pattern easily with water on or off. 4,072 sq. ft. maximum coverage allows for watering medium to large areas. Patented built-in nozzle selector makes it easy for you to choose the correct water saving nozzle for your specific spray pattern needs