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 falls below 120 PSI and deactivates once it reaches 150 PSI. Suitable for managing air pressure efficiently across a range of applications, this feature helps maintain optimal performance of your air systems by preventing both 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 component suitable for various automotive and industrial air pressure systems, ensuring broad application compatibility. Diverse Applications: Engineered for versatility, this pressure switch can be used with air compressors, train systems, and tank setups. Whether for automotive upgrades, industrial operations, or marine use, it delivers essential pressure management functionality. Color: Silver Material: Metal Package Contents: 2 x Air Pressure Switch Note: Light reflection and different display settings may cause slight variations in the color shown in the image compared to the actual item. Measurement may vary by +/- 1-3 cm.