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 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) 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.