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 with 8 levels of flow and lift adjustable, max flow rate 400L/H, Max lift height up to 9.8ft, Max power: 6.2W. Rated voltage: 5V. 9.5mm outer diameter of water inlet and outlet. 【Multifunctional Use】The mini water pump is easy to hide or disguise in the water. Perfect for aquarium, fish tank, pet drinking water, garden pond fountain, water cooling and hot water circulation. 【Safe and Quiet】Electric water pump is safe e with water and electricity separation technology, soft start and water shortage protection. Ceramic bushing makes wear-resistant and ultra-quiet, no interrupt your rest, sleeping and working. 【Low Power Consumption】Submersible water pump adapts pure copper brushless motor and professional driver chip, high power, energy saving and eco-friendly. 【Easy e】Comes with suction cup base. Place it in water or connect to water pipe, then connect it to a power supply with USB port such as mobile power, mobile phone charger, computer, ect. It's done! 【Easy to Clean and Carry】Portable water pump has no gaps that are difficult to clean, and only needs to be simply flushed with water. Lightweight and compact, easy to take. NOTE:  1. Please confirm that the power supply voltage is the rated voltage and ensure that is higher than the power of water pump. 2. The power cord can't be reversed, with red indicating the positive pole(red+) and black indicating the negative pole(black-). 3. Before cleaning, maintaining and operating the pump, please disconnect the power supply first. 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: 0-60℃ Size: 66.9 * 53.3 * 31.8mm / 2.6 * 2.1 * 1.2in Weight: 150g / 5.3oz Package size: 100 * 65 * 65mm / 3.9 * 2.5 * 2.5in Package weight: 166g / 5.8oz Packing List: 1 * Water pump 1 * Filter 1 * Suction cup base 1 * Instruction