Plastic Check Pen Clip Car Spark Tester Plug Indicator Coil Ignition System Diagnostic Tool

Label:Yes Screen Display:LCD Default :12V lead-acid Anti-reverse function. Temperature range0~40 Operating voltage: 8-63V One connector with two lines, 20mm in length Display area: 43 x 11mm Operating current<5.0mA Backlight color: Blue Optional Battery tye.

Applied for: Spark Indicator -Tests Spark Plugs, Spark Plug Wires and Coils Without Puncturing the Wire. With the engine running, place the grooved end of the tool over the plug wire. The bulb will flash to indicate spark Excellent for the Professional or Shadetree Mechanic! Size: 125mm

With the engine running, place the grooved end of the tool over the spark plug wire. The bulb will glint to indicate the spark 1 x Spark plug indicator Pen