Adjustable pressure range Adjustable from 15 psi to 140 psi with a hex wrench included for easy and precise adjustments. Helps you set the exact pressure needed for your air compressor tasks and keeps performance optimized. Versatile compatibility External screw threads for simple installation and compatibility with 1/4' and 1/8' connections. A reliable replacement part for air compressors in shops, workshops, and various industrial settings. Construction Sturdy metal body with an insulated plastic casing for reliable conductivity and safety. Designed to operate from 5 C to 60 C (23 F to 140 F), delivering longlasting performance in diverse conditions. Reliable performance Maximum working current 500 mA and a service life of 100 million cycles for consistent operation. IP54 protection class adds durability against dust and water splashes. Use scenarios In a or workshop, regulate pressure for pneumatic tools such as nail guns, impact wrenches, and spray guns to improve tool performance and safety. In a maintenance or light industrial setting, maintain stable pressure for automated or semiautomatic air tooling, reducing wear from overpressure. In a home garage or hobby workflow, support a small air system for inflating or cleaning with steady, reliable switching to protect tools and components.