[Compatibility and size] The high pressure cleaning gun can only be installed in (or a water pump with the same nozzle), and should be used with hoses and high pressure cleaning machines. [Adjustable nozzle-150 bar] You can adjust the spray pattern by rotating the nozzle, or you can pull the nozzle to select high or low pressure. Maximum pressure: 150bar / 2175psi. The adjustable nozzle cleaning speed on the spray gun is 40% faster than standard nozzle cleaning speed. [High efficiency cleaning time] SAFETYON high pressure cleaning gun is more efficient, more efficient and more practical. Using this spray gun can quickly and easily remove dirt and save cleaning time. [Wide range of use] The high pressure cleaning gun can effectively remove stubborn dirt and is suitable for most cleaning, such as car maintenance and cleaning, garden floor cleaning and cleaning moss and dust on the roads and walls. [Installation method] This spray gun is connected to the gun first, then the gun is connected to the hose. The spray gun is part of the spray gun and cannot be directly connected to the hose. He can be used with Krcher high pressure water guns and high pressure cleaners. WANAN