Innovate Motorsports 3833 Auto Timer Wideband Air/Fuel Ratio Display Kit includes Auto Timer and Complete LC-1 Kit Includes complete LC-1 Air/Fuel Ratio Kit The Auto Timer Air/Fuel Ratio display range is 74 to 224, with a 0-5 volt linear input Auto Timer / Wideband Display Kit, Includes: Auto Timer, LC-1 Wideband Kit with O2 (P/N: 3769) Auto calibration capability to compensate for changes in temperature, altitude, and sensor condition