VIAIR 400P-RV - 40047 Tire Inflator Portable Air Compressor with RV Inflation Gun, 90 Degree Chuck | 12V Tire Pump Air Compressor Portable Heavy Duty 150 PSI, up to Class C Tires, Alligator Clips

12 VOLT - 150PSI Max Working Pressure, engine must be running during use.2.3CFM Free Flow @ 0 PSIPowered direct to the car battery with alligator clamps.Comes with a tire inflation gun and gauge, build in pressure switch, air hose, RV accessories and a carrying case.Great for adjusting tire pressure on RVs and trailers.