1. Three Operation Modes: This solar pond aerator offers three different modes to meet various aeration needs – speed for maximum performance (18 hours), low speed for extended operation (36 hours), and intermittent mode for energyefficient use (72 hours), allowing you to tailor oxygen supply to your pond's requirements. 2. Extended Working Time: Equipped with a powerful builtin battery, this solar oxygen pump can operate continuously for up to 72 hours depending on the selected mode, maintaining oxygen levels in your pond or aquarium without frequent recharging, even on cloudy days or at night. 3. SolarPowered Design: This ecofriendly aerator harnesses clean, renewable energy through its 3W 6V solar panel, reducing electricity costs while providing a sustainable solution to enhance water quality in your ponds, making it both environmentally friendly and economical for longterm use. 4. Versatile Application: Suitable for garden ponds, fish tanks, and aquariums, this solar air pump comes with air stones that effectively distribute oxygen in the water, promoting a healthy aquatic environment and supporting the wellbeing of your fish and plants.