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  • Highly visible, backlit digital display
  • Allows more precise tuning
  • Programmable warning alerts rider of too lean or too rich ratio
  • Displays ratio between 10.0-24.0
  • Includes Bosch Ob2 sensor, sensor bung, sensor bung cap and gauge bracket
  • Recommended for use with 4-stroke engines; for 2-stroke applications, use Ob2 adapter PART #1861-0524
  • Note: Requires a DC 12 V battery; will not function with AC/DC converter