Features: Dual pressure gauges can display pressure more quickly and conveniently adjust pressure. The product is featured with long service life, high quality, safer and more reliable use. Using a plated pressure gauge, which is more durable, the part is a quality specification assembly. Made of high quality material, the product can be used for a long for time and is durable. The assembly is featured with stable appearance and good performance. Package Includes: 1x Air Compressor Pressure Switch Control for Valve Specifications: Material: Stainless Steel + Copper + Plastic Rated Voltage: 220/380v Exhaust Pipe: 6mm/0.23inch Contact Method: Normally Closed Bracket Connector Size: 20mm/0.79inch Outer Diameter of Pressure Relief Port: 9.5mm/0.37inch Maximum Current: 20a Working Pressure: 5-8kg (90-120 Psi) Life: 80000 Times Switching Pressure Range 0.5-0.8mpa (5-8bar) (90-120psi)