300 psi air compressor 1,19mm steel cylinder,large flow rate 2, With pressure gauge 3,Spend 5 minutes 4, Inflate tryes 300PSI Air Compressor1, Ideal ... ,with 20 inch air hose6,Operated by 12V or 24V DC (optional)7, With 2 nozzle adapters and sport needle included 300 psi air compressor