Features: 1. High precision: This air compressor pressure switch has high precision voltage regulation and sensitive response. 2. Excellent Control: Equipped with on/off switch lever, simple operation adds more convenience to control. 3. Energy Saving: Works perfectly to save electric energy and improve work efficiency, useful. 4. Practical use: allows wide application in private workshops and factories, very practical and reliable. 5. Easy to Install: Comes with compact size and light weight, the installation is very convenient to complete. Specifications: Item Type: Pressure Switch Material: ABS + Aluminum Switching Pressure Range 0.5-0.8MPA (5-8BAR)(90-120PSI) Rated Voltage: 220V Exhaust Pipe: Approx. 6 mm / 0.24 inch Contact Method: Normally Closed Connector Size: 12 mm / 0.47 inch (Approx.), 1/4 inch Pressure Relief Port Outer Diameter: Approx. 9.5mm / 0.37inch Maximum current: 15A Working pressure: 5-8KG Lifespan: 80,000 times Package list: 1 x pressure switch 2 x pressure regulating gauge 2 x male thread 2 x threaded valve male 1 x switch control valve Note: Please use according to the parameter voltage.