Feature:1. Function: This 12V ultra thin 3035PSI boost gauge is designed to monitor the boost pressure levels of your car's or truck's turbo or supercharged engine.2. Easy Installation: 24 red outer LEDs for quick reference to engine parameters. Slim 28.5mm/1.12in overall gauge depth, mount them virtually anywhere.3. Smarter Interface: 2 buttons on the faceplate deliver programmability for peak or recall, standard or metric center LED readout and sweeping LED needle, and user selectable threshold warnings.4. Convenient Use and LED Background: Set alarm point and set peak memory with digital display, visual observation. Gauge with red LED + white background.5. Accurate Display and Stable Performance: Parameter display is accurate and stable, low power consumption, easy to install, stable performance, anti vibration, anti shock.Specification:Item Type: Turbo Boost Gauge KitMaterial: ABSBackground Light: Red LED + White BackgroundMeasuring Range: -30-35PSIApplicable Models: General Purpose Car Modification Fixed Size: Approx. 60mm / 2.4in.Package List:1 x Turbo Boost Gauge 1 x Pressure Sensor1 x Power Wire Harness1 x Manual Note:Installation Precautions:1. This product is suitable for 12V power supply, it is strictly forbidden to use power supply exceeding 18V2. The power connection of this product is a red and black power cord, the red wire is connected to +12V, and the black wire is connected to 12V.3. Connect other connectors as plug and play connectors, and it is strictly forbidden to damage or replace other connectors