General description Strong plastic and metal structure products are sturdy and durable. This air compressor pressure control is designed to adjust the starting pressure and pressure shut-off of an air compressor, ensuring efficient operation. Technical specifications Material: Metal + Plastic Type: 2 phase 1 port Travel voltage: 220/380V Exhaust pipe: 6MM Support Joint Size: 20MM External diameter of the decompression hole: 9.5MM Maximum current: 20A Working pressure: 5-8KG (90-120 PSI) Pressure range of switching: 0.5-0.8MPA (5-8BAR) (90-120PSI) Period of validity: 80,000 times Usage When the pressure is below 90 PSI, the compressor will turn on; when the pressure exceeds 175 PSI, the compressor will turn off. The double gauge clearly displays the current pressure value. Other information Due to manual measurement, please allow a 0-2cm error. The monitor may not be calibrated the same, and the color of the item shown in the photo may differ slightly from the actual product. Please