Rocking Piston Air Compressor, Lubrication Type Oil Free, Number of Cylinders 1, Output Power 0.25 hp, Phase Single, Voltage 115/230V AC, Maximum Continuous Pressure 100 psi, Maximum Intermittent Pressure 100 psi, Maximum Vacuum 26.7 in Hg, Free Air Flow Rate 2 cfm, Maximum Speed 1,725 RPM, Inlet Size 1/4 in, Inlet Type NPT, Outlet Size 1/4 in, Outlet Type NPT