Measurement and memory of advance, rpm, dwell in degrees, percentage and milliseconds, direct and peak voltage.

Three digital displays for measurements on 2 or 4 stroke engines up to 2 sparks per rev, top plug coil and dis systems Advance measurement on cars, motorcycles, marine and industrial engines up to 19. 999 rpm Stroboscope function for rpm counter of any rotating device Cables and rubber shockproof hoods Shockproof clamp 12V power supply (24v optional)