More info here SIZES 21.6*10*14CM ITEM NO. AC-PU201 HARD FACTS/ Electric pump inflates iSUP 33% faster than regular hand pump Auto-shut off function Including one 1.34 meter air hose that prevents damage and air leaks 12V cigaratte light outlet. Car battery of 15A Just dial 1-16 psi to set the desired pressure 2-stage power: 75 l/min air flow rate and 50l/min at high pressure Valve adapters are included A GREAT WAY TO SAVE YOUR TIME AND ENERGY Take your portable friend everywhere and pump up your SUP in less than 15 minutes.