2/4-stroke mode can be switched freely. It can be used to check and set the ignition timing of automotive, agricultural, and marine engines. Professional Digital Timing Light -- Ignition timing is critical to engine performance.
Digital Automotive Timing Light 12V, Inductive Ignition Orange
New Car Digital Inductive Timing Light Automotive Engine Ignition Timing Strobe
12V Car Digital Inductive Timing Light Automotive Engine Ignition Timing Strobe
Digital Engine Timing Light Inductive Strobe Timing Light 12V Ignition Timing
Digital Engine Timing Light Inductive Strobe Timing Light 12v Ignition Timing