300P RVS Portable Tyre Inflator 12 volt 150psi 2.3 CFM air gauge including smaller inflation tasks (not 00039 including smaller inflation tasks (not including the inflation of automotive tyres) )– Check all of the tyres PSI from the manifold (No more continuously bending over checking PSIs)– Move air from a spare tyre into other tyres– Effortlessly equalize tyre pressures– Make all 4 tyres the same pressure– Run different PSI in the front tyres from the back tyres– This version fits up to a 125″ wheelbase with the air source in the middle of the front or rear bumper areas Avoid wasting time locating the nearest gas station and reduce your risk of being stuck on the side of the road when using this handy tyre inflator ) 90 to 110 PSI 1 min