PLX Devices DM-6 SM-AFR Gen4 Gauge Combo UEGO AFR Air/fuel Ratio Bosch LSU 4.9 Wideband Oxygen Sensor Controller with 2 1/16" (52mm) OLED touch screen multi gauge. Plug and play controller and gauge combo Compatible with gasoline, diesel, E85, ethanol, methanol, CNG, LPG No Calibration Required, Soft start technology for prolonged sensor life Touch screen gauge, automatically detect 16 additional sensor modules 2 analog outputs, 1 digital input, 1 digital output SM-AFR wideband O2 controller main unit DM-6 2 1/16&#034; gauge with multi-touch Genuine Bosch LSU 4.9 wideband sensor O2 sensor harness 10ft Sensor Module Connect Kit (4ft power wire with 2.1mm connector, 4ft Analog wires and connector with 4 terminals, 1ft Serial Cable, 4 Pin connector for SM-AFR connectivity, 2 Terminals for 4 pin Connector) Termination jumper User Manual