8-63V Spark Plug Tester, Car Spark Ignition Tester Pen Wire Tester Voltage Car Wires Coils Diagnostic Pen Tool Accessories

About this item Operating current Use spark plug indicator pen you can quickly and easily diagnose whether the ignition system of the car is working properly. Size is 125mm/4.92inch,Display area: 43 x 11mm/1.69 x 0.43inch. The pen shaped design is convenient for carrying and using The interior is equipped with LED lamp design. When the LED lamp lights up, it is light yellow light, which is convenient for us to observe Easy to use, easy to insert, this detection pen is an essential accessory for us to check problems when repairing vehicles.