Monitoring air to fuel ratio from rich
to lean, this gauge has a bar graph display (red/amber/green) which coordinates with the Red Heat, Sunburst Amber, and Emerald Green lines of Cyberdyne's other digital gauges. A back clamp is provided for mounting, and the gauge connects to a stock oxygen sensor or to Cyberdyne sensor 280-8941. The gauge works with nitrous oxide but not leaded gasoline or diesel and nitromethane engines.