Monitor your onboard air system with precision and style using the HornBlasters 220 PSI Digital Air Pressure Gauge. Designed for high accuracy and effortless readability, this 2-inch digital gauge features a bright LED display that changes color based on pressure variations. With 1/4" NPT compatibility, installation is quick and seamless for any air system, air suspension, or train horn kit. Plus, a built-in voltage reader keeps you informed about your vehicle's power levels. Key Features: ✔ Advanced Digital Precision: Built-in microprocessor technology provides stabilized, real-time pressure readings for maximum accuracy. ✔ 2" LED Display with Color-Shifting Interface: The high-visibility digital screen shifts colors as pressure changes, making it easy to read in all lighting conditions. ✔ 1/4" NPT Connection for Easy Installation: Designed for universal compatibility, this gauge seamlessly integrates with most onboard air systems and air suspension setups. ✔ Built-In Voltage Reader: Keep track of your vehicle's power levels with real-time voltage monitoring for added reliability. ✔ Durable & Backed by a 2-Year Warranty: Built to last with premium components and supported by a manufacturer's warranty for peace of mind. Upgrade Your Monitoring System Today! Whether you need precise pressure tracking for your onboard air system, air suspension, or train horn, the HornBlasters 220 PSI Digital Air Pressure Gauge is the perfect fit. Designed for accuracy, built for performance—order yours today!