Features: *Compressor pressure switch control 1/4'' NPT connector for connecting air tank/train/air horn, air rider pressure switch *Applicable to 12V/24V DC compressors. *Automatically control the air compressor to adjust the pressure of the gas tank. *1/4''NPT male thread. *Ideal for air horn and air suspension applications. Specification: *Name: Air compressor pressure switch *Material: aluminum alloy *Rated current: 20 amps. *Thread: 1/4'' NPT *Model: 70-100PSI, 90-120PSI (optional) Package includes: 1X air compressor pressure switch Notes: 1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture. 2. Please allow a slight deviation between the data and the manual measurement.