brand new and high quality Features: This for DC pump uses advanced electronic components and high-quality wear-resistant shaft It is smooth operation, high efficiency, good performance, long service life, Can be a long for time continuous work, low noise, safety and environmental for protection. It is widely used in industry, scientific research, aerospace industry Usage: The water pump cable (red line is positive, do not take the wrong) received a suitable power supply (the battery can be a battery, it can be a power converter), and then a good water pipe, then pump into the water, Can be used normally. (Note: The for DC brushless pump is a centrifugal pump, the pump water flow with the increase of the for head decreases.No diving without self-priming function, prohibit no water free.) Specification: Name: Water pump Material: Plastic Color: Black Inlet/Outlet: 1/2" male thead Voltage: 12V for DC/24V for DC Maximum Rated Current: 1000MA Power: 22W Max Flow Rate: 800 L/H Max Water Head: 5m Max circulating water temperature: 100C Size: About 6.5cm(D) x 8cm(H) Note: 1.Do not take the wrong pump positive and negative. 2.Prohibit not through the power converter will be connected directly to the 220V power supply pump. 3.Is strictly prohibited for strong acidity, alkali and other damage to the pump medium. 4.The pump is suitable for medium temperature 1 -100 . Package includes: 1 x Water Pump