Pacbrake HP10142 - 12V HP325 Series Air Compressor 1/4 horsepower, 33% duty cycle 150 PSI Max Working Pressure, Draws 18 AMPs, 1.2 CFM Oil-less design, sealed bearings, PTFE piston ring, copper wire wound permanent magnet motor and a cast cylinder with a hard anodized aluminum sleeve 8.7" x 4" x 6.2" (LxWxH), 5.5 lbs 158F Max / -40F Min Ambient Temperature