1/8-27 NPT Male Thread for Seamless Connection: This air pressure switch features a standard 1/8-27 NPT male thread ensuring easy and secure connections to air tanks, train horns, and air ride systems. Ideal for DIY installations or replacements, providing a reliable and leak-proof linkage. Precise Operation: The switch activates when air pressure drops below 120 PSI and deactivates when it reaches 150 PSI. Suitable for efficient air pressure management across various applications, this feature helps maintain optimal performance of your air systems by preventing under and over-pressure conditions. Adaptable Voltage Compatibility: Designed to work with multiple voltage systems, this pressure switch supports DC 12V, 24V, and AC 110V, 120V, 240V. It is a versatile solution for various automotive and industrial air pressure systems, offering broad application compatibility. Diverse Applications: Engineered for flexibility, this pressure switch can be used with air compressors, train systems, and tank setups. Whether for automotive upgrades, industrial equipment, or marine use, it delivers essential pressure control functionality. Material: Metal. Package Contents: 2 x Air Pressure Switch. Only the items listed are included; other products are not part of the package. Note: Lighting and display differences may cause slight variations between the product color in images and the actual item. Measurement may vary by +/- 1-3 cm.