It pops up when in use and retracts when not in operation. Its patented stem seal keeps debris out, this helps prevent pressure loss from flow which at the same time, ensures pop up at low water pressure. On top of all, it has an adjustable pattern with spray distance from 8-15 ft and a directional adjustment feature that lets you aim spray head by hand. The Rain Bird Pop-Up Spray Head is the solution to your watering problems.