GlowShift Elite 10 Color Wideband Air/Fuel Ratio AFR Gauge Kit - Includes Oxygen Sensor, Data Logging Output & Weld-In Bung - Black Dial - Tinted Lens - Peak Recall - 2-1/16" 52mm 2 1/16th Inch Black Face with Magnified Tinted Lens Analog Display Reads from 10.0 to 20.0 AFR w Data Logging Outputs Peak Recall Ability & Audible/Visual Programmable High and Low Warnings 10 Color LED Through Dial Lighting with Color Recall Ability & Dimmer Wire Allows the Gauge to Dim 30% Mounting Hardware, Installation Instructions, Free Lifetime Technical Support, & One Year Limited Warranty