*WHAT IT DOES* The Inline Wideband UEGO gives all the benefits of the AEM Wideband Air/Fuel Gauges to those who do not require or want an additional gauge in the car. Perfect for datalogging, engine management systems or racing applications where a gauge is not desired. Simple wiring and installation, the controller is weather proof and can be mounted anywhere in or outside the vehicle. *WHY YOU WANT ONE* The system features a Bosch sensor with an accuracy of .1 AFR, making it among the fastest and most accurate widebands available. Quick and easy installation and use for applications that do not require a display gauge. * Ideal AFR monitoring tool for EFI and carbureted applications, and engine dynamometers * Does not oscillate AFR reading like narrow band sensors * No laptop required for monitoring! * Bosch sensor included * Accurate to 0.1 AFR * 0-5v analog output included for use with data loggers and virtually any engine management system * Detects AFR sensor problems and outputs error values which can be used to deactivate feedback * Reads Gasoline AFR values from 8.5 to 18:1 AFR * Reads E85 AFR from values 5.7 to 12:1 AFR * Reads Ethanol AFR values from 5.2 to 11:1 AFR * Reads Methanol AFR values from 3.7 to 7.8:1 * Reads Lambda values from 0.58 to 1.22 AFR