This is a mini size submersible water pump. It’s equipped with a brushless motor providing smooth and quiet operation than a non-brushless water pump. 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: DC 12V Max. Power: 5W Max. Current: 416mA Max. Flow Quantity: 280L/H Max. Lift: 300cm / 9.84ft Noise: Less than 35dB 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