Gauge Style Innovate DB Gauge Type Air/Fuel ratio Shape Round Sending Unit Electrical Gauge Face Color Black Gauge Number Color Blue Bezel Color Black OEM Replacement No Sending Unit Included No Quantity Sold as a kit. Notes Requires the use of LC-1 or LM-1 wideband controller. Gauge Series Digital Do you ever wonder what your exact air/fuel ratio is? Well, now you can know with one of these Innovate DB digital air/fuel ratio gauges. They feature a sleek, new design to match today's modern styles. The Innovate DB digital air/fuel ratio gauges have a black face, a black bezel, and are available with either blue or red LED numbers to fit your needs. Pair up one of these Innovate DB digital air/fuel ratio gauges with an Innovate LC-1 or LM-1, and you're ready to go. Included with the gauges are mounting hardware and a quick-start information guide.