Features:Brushless pump, permanent magnetic rotor, maintenance-free.

The coil adopts pure copper enameled wire, lower temperature rise and longer life span. 
Amphibious pump, you can use it in the water or out of water(follow the installation instruction).
USB DC5V input, very convenient for power supply.
Flow Adjustment with LED indicators, and memory function when power off.
Lack of water protection.
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.
Suitable for aquarium, fountain, car cooling, computer water cooling system and circulation systems.

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.

Specifications:Color: Black
Pump material: PC + ABS

Rated Voltage: USB DC5V 
Max. Power: 4.8W
Max. Current: 960mA
Max. Flow Quantity: 300L/H
Max. Lift: 300cm / 9.84ft
Noise: Less than 37dB
Lack of Water Protection: Yes
Outer Dia. of Inlet/Outlet: 8.5mm / 0.33in
Inner Dia. of Inlet/Outlet: 6mm / 0.24in
Waterproof Class: IP68
Max. Liquid Temperature: 60°C
Cable Length: 150cm / 59in

Product Size: 59.5 * 49 * 42mm / 2.34 * 1.9 * 1.65in 
Product Weight: 94g / 3.32oz
Package Size: 6.5 * 6 * 5.4cm / 2.56 * 2.36 * 2.12in
Package Weight: 104g / 3.67oz

Package List:1 * DC5V Brushless Pump
1 * Filter
1 * User Manual(English)