Description This is a professional pressure control switch. Made from premium material, it is strong and durable for long time use. It is an excellent switch assembly for small air compressors to help save power on air compressors. Easy to install and remove. Convenient and easy to operate. It is the good choice for you. Features - Color: Assorted Color. - Material: Plastic, Zinc Alloys, Copper.- Size: About 18.00X11.50X10.00cm/7.07X4.52X3.93in. - Rated voltage: 220/380V. - Exhaust pipe: 6M. - Contact: Normally closed. - Bracket joint size: 20MM. - External diameter of pressure relief port: 9.5mm. - Maximum current: 20A. - Working pressure: 5-8kg (90-125psi). - Life expectancy: 80,000. - Excellent switch assembly for small air compressors to help save power on air compressors. - Designed for adjusting the pressure control. - It is easy to install and disassemble for your convenience. - Made of heavy duty plastic and metal construction, the product is sturdy and durable in use. - Convenient and easy to operate without much burden of learning. Package list:1 set x Vent