fountain, water cooling and hot water circulation. 【Safe and Quiet】Electric water pump is safe to use with water and electricity separation technology. 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 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. 【Easy to Use】Comes with suction cup base. Place it in water or connect to water pipe, then connect it to 12V power supply with 5521 DC female plug. It's done! 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: QR70C / QR75C (optional) Material: ABS Max power: 4.5W Rated voltage: 12V Max lift height: 2.8m / 9.2ft Power cord: 5521 DC female plug Max flow rate: 360L/H Water inlet and outlet outer diameter: 9.5mm Cable Length: 2m / 6.5ft Centrifugal pump temperature: 0-60℃ Size: 66.9 * 53.3 * 31.8mm / 2.6 * 2.1 * 1.2in Weight: 143g / 5oz 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