Get serious about monitoring your engine's performance with this Bezel Boost Gauge! The 2-1/16 inch (52mm) size fits standard gauge pods and dashes, measuring both vacuum (-30inHg) and boost (30Psi) for complete engine monitoring. Features include 7-color backlights with 5 brightness levels that you can customize for day and night driving. The brushless stepping motor provides smooth, instantaneous response to changes in boost levels, while the convex glass lens and high-definition scale ensure excellent visibility. You can set custom warning values with your choice of three buzzer variations or turn it off completely. The gauge stores peak values during driving and allows you to review and clear them as needed. Five different opening and ending modes add to the customization options. Perfect for turbocharged or supercharged vehicles where accurate boost monitoring is essential for performance and engine safety. The included electrical sensor ensures high accuracy and fast response rates, making this gauge a must-have for any performance enthusiast looking to keep tabs on their engine's vital statistics.