Each gauge features a bright LED display (available in blue, green, or red). For tuners seeking the most cost-effective way to start monitoring Air/Fuel Ratio, the DB series gauges offer an attractive display option for the LC-1, LC-2, LM-1, or LM-2 lambda controller kits. Gauges are an important feature in every project car. By having a proper set of gauges installed in your car, your will be able to understand everything your car is telling your. Gauges will tell your the vital signs of your engine. About Innovate Motorsports Innovate Motorsports develops, markets, manufactures, and supports universal digital tuning tools for internal combustion engines. The company's core technologies are patent-pending digital circuits that improve greatly on current, mostly analog, designs. The company's product lines includes wideband air/fuel ratio meters, sensors, gauges, data acquisition systems, and software. Based in Chicagoland, Innovate is committed to relentless product development, high manufacturing quality, and excellent technical support. Our goal is to provide professional-quality tools that are also affordable for the enthusiast.