DlY mode usage:(1)Switch to DlY mode, press andhold the ON/OFF button, waterpressure cycles from weak to strong. (2) Please pay attention to thechange of water pressure, when youfeel that the water stress reachesa cleaning energy that iscomfortable or appropriate for you,release the button. (3)At this point, you've set the water stress for the DlY modeand can delivery using. The product has a memory operate that recollects the DlYwater strain you place for subsequent use.