... technology adopted, easy to operate; 3, Multi-function: high pressure water cleaning, vacuum cleaning, Ozone Disinfection,Efficient foaming, Polishing and ... liters of water for a car, save water 80% compared to the traditional car washing way; 6,Pressure adjustable;7,12V Battery ... of water for a car, save water 80% compared to the traditional car washing way; 6,Pressure adjustable;7,12V Battery ...