The Solar Fountain contains 4 different nozzles that produce different water spray shapes and patterns.The height can be adjusted by changing the nozzle to avoid splashing out of the basin. Spray height up to 11-19 inches. You can easily change the nozzle. Floating fountain pumps are easy to use and require no wires or electricity. Just put the pump on the water and it will automatically work in seconds once the solar panel gets sunlight. The brighter the sunlight it receives, the better.