40047 Viair 400P RV AUTOMATIC COMPRES
12 VOLT - 150PSI Max Working Pressure, engine must be running during use.
2.3CFM Free Flow @ 0 PSI
Powered 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.