Submersible 5V Water Pump 8 Levels Adjustable 0-400L/H Small Fountain Pump with 0-9.8ft Lift, 6.5ft USB Charging and Suction Cup Base, Portable Mini Pump for Fish Tank, Pond, Aquarium, Pet Drinking Features: 【Strong Power and 8 Levels Adjustable】This small water pump offers 8 levels of flow and lift adjustment, with a maximum flow rate of 400L/H and a maximum lift height up to 9.8ft. Max power: 6.2W. Rated voltage: 5V. The water inlet and outlet have an outer diameter of 9.5mm. 【Multifunctional Use】This mini water pump can be easily hidden or disguised in water. It is ideal for aquariums, fish tanks, pet drinking systems, garden pond fountains, water cooling, and hot water circulation. 【Safe and Quiet】The electric water pump uses water and electricity separation technology, soft start, and water shortage protection for safety. The ceramic bushing ensures wear resistance and ultra-quiet operation, without disturbing your rest, sleep, or work. 【Low Power Consumption】The submersible water pump features a pure copper brushless motor and a professional driver chip, delivering high power with energy efficiency and eco-friendliness. 【Easy to Use】Comes with a suction cup base. Simply place it in water or connect it to a water pipe, then connect to a power supply via USB, such as a power bank, phone charger, or computer. Ready to go! 【Easy to Clean and Carry】The portable water pump has no hard-to-reach gaps and can be easily rinsed with water. It is lightweight and compact, making it easy to carry. NOTE: 1. Please confirm that the power supply voltage matches the rated voltage and is sufficient for the water pump. 2. The power cord cannot be reversed; red indicates the positive pole (red+) and black indicates the negative pole (black-). 3. Always disconnect the power before cleaning, maintaining, or operating the pump. Specification: Color: Black Model: QR70L / QR75L (optional) Material: ABS Max power: 6.2W Rated voltage: 5V Max lift height: 3m / 9.8ft Power cord: 2m/6.5in USB Max flow rate: 400L/H Water inlet and outlet outer diameter: 9.5mm Centrifugal pump temperature range: 0-60℃ Size: 66.9 x 53.3 x 31.8mm / 2.6 x 2.1 x 1.2in Weight: 150g / 5.3oz Package size: 100 x 65 x 65mm / 3.9 x 2.5 x 2.5in Package weight: 166g / 5.8oz Packing List: 1 x Water pump 1 x Filter 1 x Suction cup base 1 x Instruction