TRIPLE ACTION PUMP LITE AC-PU18064 x 34 x 10 cm TRIPLE INFLATION MODE Offers three different operating modes to keep inflation easy at any stage: Double action on 2 cylinders quickly inflates your SUP to 5psi. Single action on 2 cylinders let you inflate your SUP to 10psi at moderate speed. Single action on 1 cylinder to inflate your SUP to a maximum of 20 psi with minimal effort. HARD FACTS Rapid inflate and deflate with switch High Capacity: 0 4 psi Medium Pressure: 5 9 psi