Multi-function connector: This switch which can be attached to a garden hose in 2 methods,When your hose is with female thread. please click on the with our male adaptor. When your hose is with male thread. please remove the  adaptor and screw the male tread to our female thread connector, adaptor can be unsrewed to fit female standard hose.maybe this task needs a wrench,and requires strong action, Please make sure the connection part has a gasket to avoid leaking.