fountain, water cooling and hot water circulation.【Safe and Quiet】Electric water pump is safe to use 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.【Easy to Use】12v water pump with power-off memory function, and 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!【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 pole(red+) and black indicating the pole(black-).3. Before cleaning, maintaining and operating the pump, please disconnect the power supply first.Specification:Color: BlackModel: QR70H/ QR75H(optional)Material: ABSMax power: 11WRated voltage: 12VMax lift height: 3m/ 9.8ftPower cord: 5521 DC female plugCable Length: 2m/ 6.5ftMax flow rate: 700L/HWater inlet and outlet outer diameter: 12.5mmCentrifugal pump temperature: 0-60℃Size: 66.9* 53.3* 31.8mm/ 2.6* 2.1* 1.2inWeight: 150g/ 5.3ozPackage size: 100* 65* 65mm/ 3.9* 2.5* 2.5inPackage weight: 166g/ 5.8ozPacking List:1* Water pump1* Filter1* Suction cup base1* Instruction