Description: 【Universal Compatibility】: The 4 hole Air Compressor Switch is designed to work with a wide range of air compressor models, The structure of the original gas gauge can be installed. 【Quality Metal Construction】: Built with metal material, this Pressure Regulator Valve is crafted for durability and longevity. It can help to save electric power of the air compressor. 【Energy Saving Design】: Help you to save electric energy of the air compressor, and has a red ON and OFF switch for easy to use. 【Easy Installation】: The switch is designed for easy installation, requiring no tools. The 2 pressure gauge displays the pressure, which can display the pressure regulating pressure more quickly and conveniently. 【Enhanced Safe Features】: A switch for miniative air compressor, and for replacing a faulty switch or poorly functioning air compressor pressure. Specification: Product Name: Air Pressure Regulator Valve Material: Metal Rressure Range: 90-120 PSI. Size Chart: 15*10cm/5.91*3.94inch Package Includes: 1set Air Pressure Regulator Valve Note: Please allow slightly errors due to manual measurement and different monitors.