Weanas Solar Powered Fountain Pump, Garden Water Floating Pump Bird Bath Fountains Free Standing Outdoor Plants Watering With 4 Spray Heads 8V/1.4W Solar Battery; 6.3 Diameter of Solar Panel Maximum water height = 40" Minimum water depth in fountain should be 2" Lifespan 20,000 hours Solar powered fountain pump kit for fountains, waterfalls and water displays. Runs automatically, no battery or electricity needed, works in full sun only (not shade or cloudy day). Create a relaxing environment in your garden. Comes with 4 different spray heads for replacement. Pump must be immersed in water with full sun to solar panel to function.