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

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