A nozzle assembly including a body having a top surface; a plurality of water inlets formed on the body and comprising first and second water inlets; a plurality of water outlets formed on the body and comprising first and second water outlets; and a solenoid valve. The first water inlet is in fluid communication with the first water outlet via a first water path, and the second water inlet is in fluid communication with the second water outlet via a second water path. The first water outlet and the second water outlet are concentrically arranged on the top surface, and the first water outlet and the second water outlet are configured to spray water in different patterns. The solenoid valve is configured to control an on and an off of a flow of water through each of the first water path and the second water path.