Innovate Motorsports 3894 LM-2 Dual Air/Fuel Ratio Meter (2 Oxygen Basic Kit) Wideband O2 Compatible with several fuel types -Leaded, Unleaded, Diesel, E85 & more Monitor left and right exhaust banks on one single meter. Perfect for V8's User configurable display, AFR or Lambda. OBD-II Scan tool- read/clear DTCs and log up to 16 channels of CAN OBD-II Data Datalog up to 32 channels with optional accessories. Built-in RPM converter-direct frequency or with optional inductive clamp 4 fully-differential analog inputs, 2 configurable linear analog outputs