Sunnydaze Solar Pond Oxygenator Plus Air Pump Outdoor with Battery Pack, 52 GPH - for Aquarium or Fish Tank EFFECTIVE AND EFFICIENT: Replenish the oxygen levels in your pond with this convenient oxygenator; Perfect for your garden, landscape, patio, or yard TWO DIFFERENT MODES: Day and night mode; On day mode (green light is on), water pump will use energy supplied by the solar power panel; On night mode, (push mode button, red indicator light turns on) the pump will only work at night FEATURES: Submersible pump was 52 gallons per hour water flow capacity, Solar panel has a convenient 10 foot extension cord ENHANCED OXYGEN FLOW: Oxygenator has two 6 1/2 inch tubes, each with air stones for improved air flow in your water; Multi function solar panel mounting kit can be staked in the ground as well WARRANTY: Sunnydaze Decor backs its products with a 1-year manufacturer warranty for worry-free purchasing