This solar-power fountain floats on the water and pumps water in a few seconds in the sun(enough sunshine). No need to change the battery and no wiring required. It can be widely used in gardens, birdbaths, small ponds, water circulation for oxygen, etc. Features: 3.5W Solar Fountain with Li-ion Battery: Solar-powered bird bath fountain pump also works well for 3-4 hours without sunlight. 2 selectable Sprayers: 2 kinds of nozzles for various water flow and water height to avoid spilling out of the basin. Easy to Install: Just let the pump floating on the water under full sunlight, fountain will auto-pump the water up to 30-60cm jet height, the stronger sunlight is, the better effect you’ll get. Brushless pump: with water shortage protection and anti-blocking function, effectively extend the service life of the pump. Great Garden Decoration: Suitable for birdbaths, fish tanks, small ponds, garden decoration, water circulation for oxygen, etc. Specifications: Solar panel: 5.5V/3.5W