Feature of AFR Gauge:Widely Used: The electronic air/fuel ratio monitor meter gauge housing ensures that it fits most instrument pods and can be installed almost anywhere. The wideband air fuel gauge is suitable for 12V cars, motorcycles, RVs, SUVs, ATVs, boats, ships, trucks, tractors, caravans, etc2" 52mm Black AFR controller gauge with a flat glass lens, afr meter is designed to monitor and display the air/fuel ratio, so you have access to more comprehensive data and insight into your engine's combustion state for precise tuning and optimizationGauge Range: Air/Fuel Ratio readings from 10.00 to 20.00 AFR.
