Structure: Air compressor pressure valve with 1/4" outlet, safety valve, and two gauges. Includes on/off switch. The piston seal uses a V-type seal design for excellent sealing, wear resistance, and stable performance. Advantage: Piston structure provides 30% higher flow rate compared to traditional diaphragm types. Operation: Valve body includes an overflow port for rapid pressure reduction. Performance: Air compressor pressure valve switch delivers high precision and quick response. Feature: Compact size, lightweight, and easy to install. Product: Air compressor control valve regulator with gauges for rapid pressure reduction. Main function is to regulate the starting and stopping pressure of the air compressor. Features: Helps conserve electrical energy. Offers high precision pressure regulation and sensitive feedback. Equipped with on/off lever for user-adjustable settings. Simple installation and operation. Specifications: Materials: metal and plastic. Maximum voltage: 240 V. Maximum current: 20 A. Pressure switch control range: 90 to 120 psi. Connector: G1/4. Gauge diameter: G1/8. Applicable pressure range: 0.5–0.8 MPa. Maximum flow rate: 3000 L/min. Package Content: 1 x air compressor pressure switch.