52Mm 7 Colors Auto Car Air Fuel Ratio Gauge Digital With Oxygen Sensor For 1999-2010 Hyundai Accent

Note: 1:Highly Recommended Professional Installation（No Installation Instruction How To Connect The O2 Oxygen Sensor）,The O2 Oxygen  Sensor Is Not Universal , Only For The Specific  Hyundai And Kia Models（Detailed Description Below  ）:

Oxygen Sensor O2 Part Number:39210-22610 / 39210 22610 / 3921022610 Fitment:For 1999-2010 Hyundai Accent

For 2005-2011 Kia Rio

For 2006-2011 Kia Rio 5

Placement On Vehicle:Front The Output Voltage Of This O2 Oxygen Sensor Is Only Two: 0.1V And 0.9V,So It Only Can Show The Working Status :"Lean"And "Rich"，The Digital Display Of This Air Fuel Ratio Gauge Will Only Can Show The Number Like 19 Or 11（Represents The Working Statu Is Lean Or Rich)

Digital Volt & Digital Led Air Fuel Ratio Gauge Afr Readout: Between 20-10 Afr Volt Reads Between 8 - 16 Volts Blue Digital Read Out Smoke Lens Fit: 12V Gas Oil Cars When Powered On Digital Gauge Will Read The Voltage For 1 Minute And Switch To Air Fuel Ratio. It Will Only Switch Back To Voltage If There Is A Decrease Or Increase

Package Include: 1X 7 Colors Air Fuel Afr Gauge 1 X Mounting Kit +Holder Cover 1X English Manual 1X O2 Oxygen Sensor