VIAIR (00087 87P Portable Compressor Kit 12 VOLT - 60PSI Max Working Pressure, engine must be running during use. 1.26CFM Free Flow @ 0 PSI Portable air compressor powered via alligator clamps direct to battery. Good for ATVs/UTVs, 2 door coupes, 4 door sedans and suvs. One Year Manufacturer's defect warranty through manufacturer with receipt.