Solar Fountain Pump, 1.4W Free Standing Water Fountain Pump Kit with 4 Different Spray Pattern Heads for Bird Bath, Fish Tank, Small Pond and Garden Solar Powered Fountains Solar bird bath pump operates in direct sunlight. No charger and battery needed Solar Fountain Sponge bottom. Just put the fountain pump on the water, then wait it turn on and work automatically Solar Fountain 4 replacement nozzles allow you to choose fountain water patterns Solar Fountain This eco friendly solar pump is perfect for bird bath, fish tank, small pond, pool, garden, water circulation for oxygen Solar Fountain Minimum water depth in fountain should be 1 3/4", maximum is 18", regular: 10~15"