Air/Fuel Ratio White LED Gauge Universal Car Auto Meter Car Styling Instrument Features: LED super white display,easy to see the digits. Used to measure the air/fuel ratio of automobile. Add a racing look and feel to your ride, high quality and light weight. High accuracy and easy operation. Easy Installation, then you can use it conveniently. Type: Heat Sensors & Thermometers Height: 3.07in Width: 4.84in Length: 6.5in Weight: 0.58lb Size/Dimensions: 2