The R-1-N2 displays an accurate N2 RPM measurement in digital and analog format. Proprietary algorithms ensure that the RPM reading is rock solid when the engine settings are stable, but with the slightest touch of the controls, the R-1-N2 Tachometer will respond with lightening quick rapidity. There is simply not a finer tachometer available, hands down. TSO'd and PMA'd, No STC's. View able in direct and indirect sunlight, back lit, operates from 7.5 to 30 Volts at .3 Amps. Triggers off the tac generator at 3.7 Volts.
Instrument, Wire Harness, Installation and Operating Instructions.