This solar pump by Gocheer is completely run off of solar power. There is no need for batteries or electricity. This solar powered fountain is perfect for bird baths or garden decorations that have water in them. I put it in my sink to try it out and my cats went crazy. I had to hurry up and put it away. There are 4 different spray heads for you to attach and change your spray effects. Just put your pump in the water where you want it and let the sun work it's magic. You get a 1 year warranty with your purchase.