- Hand held Coil On Plug fast ignition tester, battery powered, with stable and performance.

- It works by receiving the signal from the secondary ignition coil, and the test result is accurate and reliable.

- Once the signal is received, the tester will determine whether the COP produces the correct amount of voltage and arc duration.

- Designed to easily and quickly determine whether the COP produces the proper spark for the plug.

- If the voltage is correct, the tester will beep and the red LED indicator will flash; if the arc duration is correct, the green LED will also flash.