... water, weight only 4 kilograms, easy to carry. Latest invention patent product Car Wash , use the car cigarette lighter power supply, water ... sprayed 1.8-2L Main optimal features: Product use car cigarette lighter power, the power feed line, pressure pump, PenShuiGuan, ... . This machine is bringing water tank, use your car cigarette lighter power to drive the pressure pump, the PenShuiGuan, switch ...