There are dual pressure gauges that can display the pressure instantly, so that you can stay informed about the air compressor's working status. Equipped with valve regulator, it allows you to adjust the air pressure according to your actual needs, ensuring safe operation. Made of high-quality plastic and metal material, this air compressor bracket assembly is durable to use. The bracket length is 135mm, the exhaust pipe diameter is 6mm, the bracket adapter diameter is 20mm, and the pressure relief opening external diameter is 9.5mm. It can be apply to the air pump or air compressor system. Item Name: Pressure Switch Control Valve Material: Plastic, Metal Color: Black Lifetime: 80,000 Times Maximum Current: 20A Rated Voltage: 220/380V Contact Method: Normally Closed Working Pressure: 5-8kg (90-120 PSI) Switch Pressure Range: 0.5-0.8MPA (5-8BAR, 90-120PSI) Features: Adjustable Pressure, Stable Performance, Easy to Install Size Details: Bracket Length: 135mm/5.31" (Approx.) Exhaust Pipe Diameter: 6mm/0.24" (Approx.) Bracket Adapter Diameter: 20mm/0.79" (Approx.) Pressure Relief Opening External Diameter: 9.5mm/0.37" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Pressure Switch Control Valve