Features: Occasion: Pneumatic air pump switches are widely used in swimming pools, spas, hot tubs, bathroom facilities, and outdoor machinery. 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 remain in the starting state. After pressing the pneumatic button a second time and releasing, the pneumatic switch will close. Specification: Rated current: 16A Rated voltage: 125-250V Material: Stainless steel and plastic Color: As shown in pictures Size: Approximate, as shown in pictures Pipe length: 1m / 39.4in Pipe inner diameter: 3mm / 0.12in Pipe outer diameter: 6mm / 0.23in Quantity: 1 set Note: Transition: 1cm = 10mm = 0.39inch No retail package. Please allow 1-2cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. Due to differences between monitors, the picture may not reflect the actual color of the item. Thank you. Package includes: 1 x Air Button 1 x 1m hose 1 x Air pressure switch (other accessories shown in the picture are not included.)