Features:Diaphragm pump combines the advantages of self-priming pump and chemical pump. Automatically on or off: When the water outlet is closed, it will automatically cut off power, the motor stops. After the water outlet is opened, it will automatically power on, the motor runs. Water pump with a pressure switch will be automatically cut off when the pressure of water outlet is too high. Rubber bracket can absorb vibration from the pump when working. Installed in a dry, well-ventilated location and can't work in water. Widely used in lawn, garden, vehicles cleaning, ship, carpet cleaning, ground cleaning, water purification and water treatment equipment. Specification:Outlet protection pressure: 1MPaLeft inlet diameter: 10mmRight outlet thread: 18mmSuction: 2-3mVoltage: DC 12VPower: 120WMaximum Flow: 8L/minWeight: 1160g (approx.)Thread type: M18 x 1.5mm / 0.71 x 0.06inPackage list:1 x Diaphragm Water Pump .