Maximum torque and operating efficiency; Higher operating pressure and/or lower amperage than competitive pumps Long life, no leaks Specifications: Pump Head 2 chambers Open Flow 2.0L/Min/3.8L/min/2.6L/Min(consult factory for other flow rate) Max Pressure 55psi/35psi/80psi(consult factory for other pressure) Motor Configuration lead wires 2-pin connector(consult with factory) 2-pin connector with on/off switch Pump Type Demand Motor Voltage 12 VDC/24V Inlets/Outlets 3/8''hose barb