Material: ABS+PVC+stainless steel;Rated current: 16A;Rated voltage: 125-250V. These air buttons can be used for any remote control purpose.As a remote control device, it has the advantage of being small in size and can be built into most engine connection boxes. The switch can be used with pneumatic buttons for water and electricity separation and remote control purposes.It is widely used in food waste disposer, massage tub, pumps for swimming pools and spas, hot tubs,outdoor machines, automotive applications etc. Press the pneumatic button for the first time to start the pneumatic switch. Release the air button and the switch will still remain in the starting state. After pressing the pneumatic button for the second time and releasing, close the pneumatic switch.