1.This ignition tester pen can quickly test whether the spark plug is functioning normally. The groove at the end ensures more precise results, and the LED light bulb makes the results easier to judge.
2.This ignition tester pen has a waterproof housing, is durable and sturdy, lightweight and easy to carry, and has a long service life.
3.You will receive 1 x ignition tester pen, which is easy to use and helps prevent fires caused by burnt-out spark plug coils.