Microprocessor-controlled circuitryLED tachometer display reads 0-9999 RPMLED advance display indicates to 1/10Unique flashlight feature2/4 cycle and RPM/advance lightsUp and down scroll buttonsAll metal inductive pickupReflected super bright Xenon flash
SPX OTC3367 Digital Timing LightBlow molded case
Checking ignition timing and fires whenever the spark plug does to maximize engine efficiency