Rotatable sprinkler heads with gearbox and adjustable for full or part circle coverage, featuring medium pressure operations and high efficiency. Changeable nozzles and dynamic water jet breaker system enable a perfect irrigation with evenly distributed water.Suitable for using on flowering delicate plants, and vegetables; widely used especially on products such as onion, garlic, watermelon, peanut, parsley, and lettuce etc. Makes full and semi-circle turns at the same speed.Ideal for agricultural areas, sport fields, and mines; suitable for portable and fixed systems.