Environmentally friendlyIt is an extremely competent solar panel. It is controlled with solar power completely. It does not need battery or electricity. It is an Eco Friendly solar pump .<br> Multiple ApplicationsThis eco friendly solar pump is perfect for bird bath, fish tank, small pond, pool, garden, water circulation for oxygen. Your garden would definitely catch all the attention of the passers-by. Let your yard look so amusingly decorated by the solar water pump.<br> Make sure you have put enough water in the fountain so that the pump can stay entirely under the water. You should clean the pump on regular basis to avoid the pump get blocked with dirt. The fountain works only when ALL panels are exposed to FULL, DIRECT sunlight. A leaf shading one panel keeps it from functioning. It does not store any energy.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store