Features VERSATILE MODES: Solar air pump for fish pond offers three modes: strong bubble, soft bubble, and cycle mode, to meet various needs. With a mini 0.8L/min flow rate and two air flow outlets, it ensures even and pervasive air distribution. SOLAR POWERED: Powered by solar energy, this solar pond aerator for outdoor ponds is wire-free and eco-friendly. Its 180-degree adjustable solar panel design allows for easy adjustment to the best angle for maximum solar energy absorption. LONG BATTERY LIFE: Built-in 2200mAh rechargeable battery enables operation up to 48 hours once fully charged. This allows continuous operation on sunny days. Note: The solar panel should be completely exposed to sunlight. PORTABLE AND CONVENIENT: Wire-free design, compact size, and lightweight make this solar pond aerator suitable for fish tanks, aquariums, hydroponic systems, and outdoor fishing. In summer, it helps restore oxygen levels in stock tanks, keeping fish active and water clean. LOW NOISE: Operates at a low noise level of 50 dB. Avoid exposure to rain or submersion in water. Ideal gift for fishing enthusiasts, friends, family, and parents. Specifications Item Type: Solar Aquarium Air Pump Oxygenator Product Material: ABS Battery Type: Built-in Lithium Battery (Shipped with Built-in Lithium Battery) Battery Model: 18650 Battery Capacity: 2200 mAh Size: Approx. 15.5 x 14.2 x 4.2 cm Gross Weight: 507 g Package List 1 x Solar Panel 2 x Air Bubble Stone 1 x One-for-Two Air Hose Holder 1 x Hose 2 x Bracket 2 x Expansion Screw 2 x Expansion Tube 1 x English Manual