Smart, Eco-friendly and Cool products reduce energy consumption and help create a greener and healthier planet. The Solar-powered Floating Fountain is ideal for Birdbaths or Ponds and floats on the water. It starts pumping water soon after sunlight shines directly on the solar cells. It is an energy-saving solar fountain suitable for garden decoration, bird bath, small pond, water circulation for oxygen. Installation is simple, easy to use, as long as there is direct sunlight on the solar cells, water pump will start working in a few seconds. No electric outlet or battery are needed. 1.4 Watt solar cell Maximum water height is 18 in. minimum water depth in fountain should be 1-3/4 in.