• 4W solar aerator pump with solar power supply and wireless design. • 180° adjustable solar panels to maximize solar energy capture. • Built-in 2200 mAh battery with 3 operating modes: high, low, and intermittent. • Provides up to 32 hours of operation on a full charge. • Low noise level and water-resistant, ideal for aquariums and ponds. • Easy installation: simply place the air stones in the water and install the solar panel. • Compact and portable, perfect for fishing trips and outdoor activities. • Product dimensions: 20 cm wide, 4 cm high, and 18 cm long. • Product weight: 1 kg.