Water Spray Height: 30-60cm / 11.8-23.62 inch (appr.) With highly efficient solar panel, solar powered, no battery or electricity required for saving energy and money. Able to float in the water, so no need to install the pump and easy to move. The pump will start automatically in 3 seconds when sufficient sunlight gained, convenient to use. Suitable for various occasions, like bird bath, fish tank, small pond, garden decoration, water circulation for oxygen.