Features 1、Dual pressure gauges can display pressure more quickly and conveniently adjust pressure. 2、Featured with long service life, high quality, safer and more reliable use, the product is a good choice. 3、With high cost-effeciency, you can use this product to meet your needs. 4、Made of high quality material, the product can be used for a long time and is durable. 5、The assembly is characterized by stable appearance and good performance. Specification Item Type: Pressure control switch valve Exhaust Pipe: Approx. 6mm / 0.2in Contact Method: Normally closed Bracket Joint Size: Approx. 12mm / 0.5in Outside Diameter of Pressure Relief Port: Approx. 9.5mm / 0.4in Working Pressure: 5-8KG （90-125PSI） Life: 80,000 times Package List 1 x Switch 1 x Knob 3 x Connector 2 x Pressure Gauge