Powerful purification: This kit includes 1 solar powered oxygenator aerator and stake; 1 solar fish oxygen pump; 2 transparent connecting tubes; 2 transparent tubes; 2 extension tubes; 2 air stones; 1 connector; 1 user manual; and 1 small hook. The solar powered air pump kit is complete and ready to use with confidence. 3 Modes Choose: Options include strong bubble mode, soft bubble mode, and 10S on/off mode to meet different needs. Working time after full charge is 18-32 hours. If there is insufficient sunlight, switch to 10S on/off mode to extend operation. Quiet and Energy-Saving: Noise level is about 60 dB, delivering quiet operation without disturbance. Powered by solar energy, it reduces electricity costs and helps protect the environment. The built-in battery protection system prevents overcharging and discharging, extending the life of the pump. Durable and Weatherproof: Built with high-quality materials and designed for outdoor use. The IP65 waterproof rating ensures reliable performance in rain or splashing water. Invest in this solar air pump for long-lasting durability and efficient oxygenation of your pond or water feature. Use scenarios: - Outdoor garden ponds and small to medium water features needing steady aeration for fish health. - Koi ponds and decorative water features that rely on daylight for operation. - Off-grid or cloudy-day use with the 10S on/off mode to conserve power and extend run time.