Aquastorm 2'n1 geardrive sprinklers are the ultimate sprinklers. They are specially designed to give 100% even water coverage regardless of the water pressure. (1-10 bar). The sprinkler can water a full circle or a part of a circle - adjustment is easy simply slide the red setting rings. There are two spray patterns : There are 5 jets which gives a max area coverage of approx 314m2 or 20m diameter. Perfect for lawns and established plants . The sprinkler is mounted on a solid metal spike which gives stability when pushed into a lawn or a border. They feature an ultra reliable, water-powered , geardrive motor that operates at all water pressures - two year guarantee.