Htovila 2W -in Solar Pump with 8.2ft 2 Air Bubble Stones Fish Oxygenator Aquarium Aerator Air Pump Fishing Aerator for Garden Fish Pool Pond

[Two Modes]Built-in 2200mAh battery; low gear for working 16h; low gear intermittent for working 32h.;[Easy to Install] solar aerator pump has a ground plug; just stick it into ground.;[Adjustable Angle] solar panel angle can be adjusted to receive sunlight most sufficiently.;[Solar-powered] use of solar energy makes it eco-friendly; and maintenance-free; and solar is much safer for your kid.;[Widely Applicable]0.8L/min air volume; suitable for many kinds of containers; such as small to medium-sized ponds; fish tanks or reservoirs; etc.