X-Series AFR Gauge, A wideband UEGO sensor controller accurately monitors Air/Fuel ratios (AFR) during the tuning process to prevent a lean fuel mixture, which could lead to engine damage.It has combined its single-channel wideband UEGO controller and gauge display into one unit, uniting unsurpassed AFR accuracy and control with an easy-to-read interface.The Gauge-Type Wideband UEGO Controller features a digital LED display and sweeping LED "needle" that changes colors as AFR changes from rich to lean.The unit's 52mm (2-1/16inch) gauge housing fits in most gauge pods and can be remotely mounted virtually anywhere.High temperature resistance (-30 to 120) Super toughness.2.5 ultra-thin thickness.Sensor Type:Magnetic InductionPart Number:30-0300 0258017025Name: O2 Air Fuel Ratio Gauge KitAPPLICATIONS:FOR , for , for , for , for , for , etcNote:Installation guide not included, we strongly recommend you professional installation.Please check as much as possible to make sure the item is what you need.Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use.Colour:BlackMaterial:plastic+metal Package Contents:1 * O2 Air Fuel Ratio Gauge Kit Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.