Specifications: Voltage: 12V Max Flow: 840L/hour Max Lift: 5m (It means the height the water can reach if you connect a plastic pipe to the pump.) Features: Small size, high efficiency, low consumption, low noise. Application: Suitable for use in garden irrigation, ponds, freshwater and seawater aquariums, fountains and filtration systems. Installation: When connecting the power supply, pay attention to the minus and plus, otherwise it will not work properly. The brown wire connects to the positive electrode, the blue wire connects to the the anode, the yellow and green wires do not need to be connected. Note: This pump is a submersible pump, not a self-priming pump or a land pump. The water temperature should not exceed 40 degrees. Package dimensions ‎17.9 x 13.1 x 3.4 cm; 160 grams Color gray Style ‎Submersible Material ‎Plastic Type power supply ‎Electrical cable Tension ‎12 Volts Item quantity ‎1