USB DC5V 4.8W Ultra-quiet Mini Brushless Water Pump Waterproof Submersible Fountain Aquarium Circulating 300L/H Lift 300cm
Features:
- USB DC5V input, very convenient for power supply.
- Brushless pump, permanent magnetic rotor, maintenance-free, providing smooth and quiet operation
- IP68 waterproof grade, totally submersible in the water.
- Detachable design, providing convenience for cleaning work.
- With a filter, avoiding blocking the inlet.
- 4 rubber suckers on the bottom, can adsorb on the smooth surface and reduce noise and vibration.
- Small size, high efficiency, low noise <37dB.
- Suitable for aquarium, fountain, car cooling, computer water cooling system and circulation systems.
- Enameled wire coil and circuit board are sealed by epoxy resin.
- The coil adopts pure copper enameled wire, lower temperature rise and longer life span (10000h).

Specification:
Max. Power: 4.8W
Max. Flow Quantity: 300L/H
Max. Lift: 300cm / 9.84ft
Max. Current: 960mA
Lack-of-Water Protection: Yes
Life Span: 10000h
Rated Voltage: USB DC5V
Noise: Less than 37dB
Waterproof Class: IP68 (100% Water-Proof Under Water)
Material: PC + ABS
Heat Resistance: 0-60в„ѓ
Outer Dia. of Inlet/Outlet: 8.5mm / 0.33in
Inner Dia. of Inlet/Outlet: 6mm / 0.24in
Cable Length: 150cm / 4.92ft (with USB  Interface)
Product Size: 59.5x49x 42mm / 2.34x1.9x1.65in

Note:
1. Please check the voltage and power of the pump power before power on.
2. Please cut off the power before you install/put in/take away the pump from the water; otherwise, the pump can't outlet water due to the air in it.
3. It can be used in the water or other liquids(without particles and impurities); NOT for viscous and acid-base liquids.
4. DO NOT dry burn the pump, otherwise it would be damaged.
5. Switch on-off the power repeatedly for several times to eliminate the air in the pump impeller and the pipe.
6. When the pump is used in high temperature environment(100°C), it can only be installed with non-diving method.

Package List:
1x DC 5V Brushless Pump
1x Filter
1x User Manual (in English)