car air inflator 12VDC 19mm cylinder Rated pressure :250/300PSI max Speicication: ... assort Operating the compressor:step 1:Pull out the air hose, make sure the nozzle lever is in the ... OFF position to turn the compressor off. Disconnect the air hose and replace it inside the unit.NOTE:Sometimes, ... To fix this problem, you have to jack up your car prior to inflating the tyre. To inflate other articles, ...