ADDCO Air Fuel Ratio Gauge Kit Complete with:60mm | 2.5" Temp GaugeAFM SensorMounting Bracket Functions:Peak SettingChoice of 7 ColoursAdjustable Brightness LevelBuzzer TypeBuzzer LevelOpening CeremoniesWarning SettingZero position adjustment Ability to link to additional ADDCO gauges in a daisy chain,See our other items