SCNTCV-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 and Copper and Plastic Rated Voltage: 220 or 380v Exhaust Pipe: 6mm or 0.23inch Contact Method: Normally Closed Bracket Connector Size: 20mm or 0.79inch Outer Diameter of Pressure Relief Port: 9.5mm or 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) note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.