[Efficient Solar Panel]: AISITIN 2.5W Solar bird bath fountain is powered by solar energy. High-efficiency solar panels work immediately when placed in the sun. The more sunlight, the better the effect, and the fountain will bring you unexpected beauty. [Six spray patterns]: Solar water fountain contains 6 different nozzles, which will produce different spray shapes and spray patterns. The height can be adjusted by replacing the nozzles to avoid splashing out of the basin. The spray height can reach 15-27 inch . You can easily replace the nozzle. [Eco-friendly And Multi-purpose]: This solar powered fountain pump does not need any power battery, no additional power supply, very environmentally friendly. This environmentally friendly solar fountain pump has a diameter of 6.7 ", which is very suitable for bird baths, fish tanks, ponds, swimming pools, gardens, outdoors, and oxygen circulating water. This fountain will attract hummingbirds and it is very interesting. [Easy To Use]: Just put the solar fountain under the sun, it will start spraying water. The suction cups at the bottom effectively hold the fountain so it doesn't float around in the birdbath. This fountain does not require complicated installation, nor does it require much maintenance. [Usage advice]: Make sure you have poured enough water into the basin so that the pump can fall completely underwater. You should clean the pump regularly to avoid clogging with dust. The solar panel needs to be kept clean, and the shading of leaves or stains will affect the conversion of solar energy.. It does not store any energy, so it will rest at night to ensure a longer life.