Quad DC Watere System PumpsSelf-priming diaphragm pump with 12v DC electric motor. Flow rates up to 3.3 gpm, pressure switch control, capable of pressures up to 35 psi.Features:Self-primes up to 2.4m vertical liftFour-piston design delivers higher flow ratesQuick-connect plug-in ports for easy installationPressure-switch control to run the pump only as neededSpecificationsVoltage: 12 VdcFlow Rate: 3.3 US Gallons/Min (12.5 Litres/Min)Pressure Switch Setting: 15psi (1.1 bar) Cut In, 35psi (2.5 bar) Cut Out Amp Draw: 3.9 amp Port Type: 1/2" Hose and 1/2" Thread included