FAST Wireless Air Fuel Meter

The revolutionary FAST Wireless Air/Fuel Meter Kits allow enthusiasts to monitor air/fuel ratios and data log directly from an iOS device. Features & Benefits:   • Monitor air/fuel ratio directly from your iOS Device   • Pause and review up to 120 seconds of previous air/fuel ratios and rpm   • A selectable relay output can be used as an RPM window switch, lean A/F safety cut-off or vehicle immobilizing anti-theft feature   • Supports all popular fuel types including Diesel, E85, and Methanol   • Clean install, no extensive wiring or permanent gauge needed