VEVOR RV Water Pump, 12V DC 4 GPM (15.1 L/min), 3-Chamber Self-Priming Diaphragm Water Pump with Automatic Pressure Switch, 40 PSI Max Pressure, On Demand for RV, Caravan, Marine, Yacht, Car Washing Industrial-Grade Pump Housing Protective Cover Heavy-Duty Power Cord Easy Installation Short Dry-Run Operation Quiet Operation Voltage: DC 12V,Inlet Diameter: 1/2 in MNPT,Outlet Diameter: 1/2 in MNPT,Item Model Number: LSDP1-040-045-33,Power: 156W