The solar aerator pump has a ground plug, just stick it into the ground. The solar panel directly absorbs sunlight to work, environmentally friendly(Cannot work properly without enough sunlight). Easy to use: Install the solar panel, connect the pipes and air stones to the water, the aeration pump floats in the water, then the solar air pump will start working in seconds under full sun. Made of ABS material, sturdy and durable. Can be used for fresh air supplement of fish tanks, small pools, ponds, aquariums, especially suitable for emergency oxygenation during power outages, wild fishing and a small amount of Aquatic transport oxygenation. Specifications: Material: ABS Color: Multicolor Size: Solar Panel(LXW): 14.8x9.5cm Cable Length: 3m Solar Panel Power: 6V/2.5W (PET Laminate) Air Pump Type: DC Micro Air Pump Max Air Volume: 0.8L/min Maximum Water Depth: 1m Waterproof Grade: IP64 Notes: 1. This product uses a direct-drive air pump, which can continuously increase oxygen only when the sun is full; when the sun is insufficient, it may not add oxygen or add oxygen intermittently. In addition, since the efficiency of solar panels is affected by light intensity, the effect of oxygenation is also affected by factors such as weather conditions, seasonal changes, and geographic location. 2. This product is powered by solar direct drive, without built-in battery. 3. This product is an electronic product. The oxygen-increasing device cannot be placed in water, and the diversion hole cannot be blocked. 4. Please clean the surface of the solar panel regularly to keep the charging efficiency. 5. Due to the difference between light and screen settings, the color of the item may differ slightly from the pictures. 6. Please