feature: 1. The spray gun is an advanced and effective tool that can remove stains by high-pressure liquid jetting. 2. Reasonable design, high spraying pressure and strong decontamination ability. 3. Easily adjust the pressure and spray intensity through the knob. 4. It is also a cleaning tool used to clean the interior of the engine and difficult to clean corners. 5. Suitable for knitting, printing and dyeing, clothing, advertising, printing and other industries. specification: Product Type: Decontamination Gun Material: Copper Voltage: 220V Power: 40W Working current: 0.4~0.6A Working pressure: ≥0.8Mpa Jet flow: 1-2ml/s Liquid capacity: 0.65L Instructions: 1. Fill the liquid bottle. Turn on the 220V AC power supply, press the button switch to start the spray gun, there is a strong vibration and shocking sound, after a few seconds, it starts to spray, and it becomes a normal low working sound. 2. If it does not work normally, please try to adjust the rear knob to get the lowest sound and highest pressure. Test the pressure at a distance of 50 cm from the nozzle by hand. 3. The effective distance of decontamination is that the effective distance between the nozzle and the object is 10-15cm, tilt down 45 degrees, and then repeatedly spray until the stain is removed. packing list: 1 x Decontamination gun 1 x wrench 2 x spring