The new EDM-850-6c from Pacific Coast Avionics Engine Monitor has the same outstanding performance and capabilities as the popular EDM-700 LX series monitors, plus Manifold Pressure, and Outside Air Temperature. During leaning, the EDM-850 will find the first and last cylinders to peak showing a history of how each cylinder went over peak EGT. System includes all EGT and CHT Probes, harness, fuel transducer, OAT Probe, memory module, RPM and MAP sensors. Specify A/C type, engine model and magneto model. Four digits have been added to the top of the display to allow it to constantly show RPM or Percent of Horsepower.