Instantly check and diagnose to see if your spark plug is firing without having to remove the plug
The only tool that will measure both spark and voltage instantly and accurately
Exclusive PEER™ (Plasma Energy Event Recognition™) technology allows you to check for the presence of an electrical arc in the spark plug without exposure to high voltage
18 flexible wand with inductive pickup and hands free retention clip
Snapshot mode for hands free testing
Waterproof, high impact plastic case with over-molded grips and bright L.E.D. indicator lights