VIAIR 440P Portable Compressor,44043 12 VOLT - 150PSI Max Working Pressure, engine must be running during use. 3.00CFM Free Flow @ 0 PSI Portable Air Compressor comes with a canvas carrying case and powers via alligator clamps. Good for up to 37 Inch Tires on Off-road vehicles Comes with a coil hose with a clamp on tire chuck and gauge