Features: [Two Modes]Built-in 2200mAh battery, low gear for working 16h, low gear intermittent for working 32h. [Easy to Install]The solar aerator pump has a ground plug, just stick it into the ground. [Adjustable Angle]The solar panel angle can be adjusted to receive the sunlight most sufficiently. [Solar-powered]The use of solar energy makes it eco-friendly, and maintenance-free, and solar power 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. Specifications: Material: ABS PET Solar Panel6V, 2W Battery: 1*3.7V 2200mAh Lithium Battery Mode: low gear, low gear intermittent Working hours: 16h(low gear), 32h(low gear intermittent) Max Air Flow: 0.8L/min Max water depth: 1m Waterproof: IP65