POWER AND PERFORMANCE UNDER PRESSURE! Tackle your toughest home, outdoor and auto cleaning projects with ease! Packed with a powerful 1800-Watt/14.5-amp motor, the Sun Joe SPX3001 generates up to 2030 PSI (at initial discharge per CSA internal pressure testing) of water pressure and 1.76 GPM (with nozzle open at minimum pressure) of water flow to remove road tar, tree sap and insect splats from cars, grease deposits from concrete, heavy mildew, oil and rust stains, caked on mud, and other stubborn yard and garden gunk and grime.