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 . Also there is a fine spray for smaller areas – perfect for watering lawn seed, seedlings, or damping down a greenhouse.|The sprinkler is mounted on a stable sled which gives stability on any surface. They feature an ultra reliable, water-powered , gear drive motor that operates at all water pressures – two year guarantee.