[Powerful 28 cylinders with rapid inflation, capable of handling large tires] Equipped with a strong power 28 cylinders 12V DC motor! Easy to inflate a 32.71 inch(315/40 R21) SUV tires from 0 PSI to 36 PSI, 40L/min super flow rate and 140W high power, fast air replenishment without waiting, the first choice for outdoor exploration and long-distance self driving!