Features:Occasion: Pneumatic air pump switches are widely used in a , swimming pools, spas, hot tubs, bathroom facilities, outdoor machinery, etc.Sturdy and Durable: The swimming pool pneumatic air pump switch is made of high-quality stainless steel and a hose, which is corrosion-resistant.Easy Installation:The switch can be used with pneumatic buttons for water and electricity separation and remote control purposes.Rated current: 16A;Rated voltage: 125-250V. it has the advantage of being small in size and can be built into most engine connection boxes.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. Specification:Rated current: 16ARated voltage: 125-250VMaterial: Stainless steel and plasticColor: As pictures shownSize:app. As pictures shownPipe length:1m/39.4inPipe inner dia:3mm/0.12inPipe outer dia:6mm/0.23Quantity: 1 set Note:Transition: 1cm=10mm=0.39inchNo retail package.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:1 x Air Button1 x 1m hose1 x Air pressure switch(other accessories demo in the picture is not included.)