Multiple Ways To Display Data On Gauge,100 pct. Digital Wideband Air/Fuel Ratio Technology,Configurable Linear 0-5V Analog Output For Wideband O2,Monitor Left and Right Exhaust Banks On One Single Gauge,Ability To Calibrate O2 Sensors For Maximum Accuracy,Patented DirectDigital Wideband Sensor Control,Wideband O2 Compatible w/Several Fuel Types,Plug and Play Setup For Both O2 Sensors,No PC Required For Additional Configuration,Interchangeable Bezels- Black and Silver Included,Configurable OLED Display[AFR or Lambda],Interchangeable Faceplates- Black and White Included