•[3 Water-Saving Options Modes] Faucet Booster Filter has 2 button, 3 modes.The kitchen tap head can be adjusted to 3 different water Outlet flow modes:stream, strong spray and spray. Just press the switch button,the replacement kitchen spray head can switch to the mode you want. Notice:When there is no water flow, the button cannot be fixed, and when there is water flow, the button can be fixed