【Efficient Oxygenation】This solar-powered aquarium air pump provides a high oxygen output of up to 3L/min, meeting the oxygenation needs of multiple fish. 【Eco-Friendly Design】Utilizing a 5W solar panel for power and featuring a built-in lithium battery for energy storage, this pump ensures continuous oxygenation throughout the day and night while being environmentally friendly. 【Ultra-Quiet Operation】Engineered with an ultra-quiet design, this pump operates with minimal noise, preserving the tranquility of your environment. 【Dual Power Source】The combination of solar power and lithium battery ensures uninterrupted operation even on cloudy days or in low-light conditions. 【Portable and Versatile】Equipped with a convenient hanging hook design, this pump is easy to carry outdoors and can be suspended for use in various settings. 【Dual Air Outlet】Features a dual air outlet design with a T-type air splitter, allowing simultaneous oxygenation of multiple areas. Specifications: Solar Panel Power: 5W Solar Cell Type: Monocrystalline Solar Panel Working Voltage: 5V Solar Panel Dimensions: 205*140mm Solar Panel Working Current: 0-1000mA USB Cable Length: 50cm (subject to actual product) Air Pump Built-in Battery Capacity: 2000mAh Air Flow Rate: 3L/min Air Pump Dimensions: 90 x 65 x 35mm Air Tube Length: 100mm USB Power Cable Length: 50mm Compatible with Universal Models Universal Package included 1 x 5W Solar Charging Panel 1 x Solar-Powered Oxygen Pump 2 x Air Tubes 2 x Air Stones 2 x T-shaped Air Splitters 1 x USB Charging Cable 1 x Portable Hook 3 x Adapter Tubes 1 x Forked Connector Specifications Battery Yes Brand N/A Certificate CE-EMC ColorStyle A Output Others Packaging Type White Paper Box Plug Type (For Supply) N/A User Manual (Language) No User Manual Gross Weight 0.421kg Volume Weight 0.324kg Package Length 22.500cm Package Width 15.300cm Package Height 4.200cm