Origin and Quality Assurance: Manufactured in Mainland China, this air compressor pressure switch adheres to stringent quality controls, ensuring reliability and efficiency for your DIY electrical projects.Customization and Model Details: Tailored to meet diverse needs, this model NF-A6 by dawupine allows for specific adjustments, enhancing its utility in various applications.and Supplies: The dawupine is renowned for its dedication to providing DIY supplies, particularly in the electrical domain, ensuring that every component like this air pressure gauge meets your project requirements.Chemical Safety and Environmental Consideration: Guaranteed to contain no high-concern chemicals, this product is safe for both the user and the environment, aligning with current health and safety standards./Features:1. [Adjustable Pressure 90‑120PSI]: This air compressor pressure switch features an adjustable valve pressure regulator for automatic control, with a cut-off at 120PSI and activation at 90PSI. It includes an adjustable brass coupler for precise air pressure management.2. [Easy Pressure Adjustment]: Designed for durability and reliability, this switch is primarily used to set the start and stop pressures of air compressors. Installation and removal are straightforward, enhancing user convenience.3. [Red Switch Knob Control]: Equipped with a red switch knob for simple operation, this device supports automatic control with auto load or unload capabilities.4. [Dual Gauge Display]: Comes with two valve gauges that provide accurate pressure readings and clearly display current pressure levels for easy monitoring.5. [Wide Gauge Range 0‑180PSI]: Operates with a rated voltage of AC 220/380V and a current range of 16A‑20A. The compressor pressure gauge can display from 0 to 180PSI.Note: Please allow 1-2cm errors due to manual measurement. The color of the product may vary slightly due to differences in monitor settings.Color: