Smart Solar/STI 24980R01 Solar Powered 4-Tier Lilac Glazed Cascade Fountain. Creates a relaxing atmosphere on your patio, deck, balcony or in your garden Powered by a separate solar panel (supplied) and includes 10 feet of 5 m cable to solar power The low voltage water pump with filter, constantly recycles the same water Includes optional AC adapter for indoor use. No operating costs