Check the listing for details. Car Spark Plug Tester Analyzer Ignition Coil Test Detect 5Socket Diagnostic Tool. Condition: New. Listed at 75.99 USD. Spark Plug Tester Tool 5 Holes Automotive Spark Plug Tester Kit with LCD Display Motorcycle Spark Tester Checker Auto Spark Plug Test Kit Car Ignition Coil Tester Tool 200-9000rpm Working FrequencyPRODUCT DESCRIPTION【Digital Screen Display for More Precise Control】This spark plug tester is used to test the performance and strength of spark plugs. The up and down buttons can adjust the working frequency. The high-definition display screen is convenient for viewing the speed in real-time, and the test results are more accurate.【Simultaneous Comparison of Five Holes】Compared with the common 2 holes spark plug tester on the market, this ignition spark tester supports simultaneous testing of 5 holes, and each test hole has a corresponding indicator light to indicate the status of the spark plug, which greatly improves work efficiency.【Simulate the Real rpm with High Accuracy】The analog speed of the automotive spark plug tester is 0-9999 rpm, and the operating frequency is up to 9000 rpm. The higher the frequency, the strong intensity of the spark plug. The spark plug tester tool is compatible with all crankshaft engine and motorcycle spark plug testing on the market.【Simple Operation, Plug and Play】Insert the new spark plug into the hole and the old spark plug into the other hole. Plug the power adapter into the power port, the indicator light will go on. Turn on the power switch of the car spark plug tester and adjust the working frequency to judge the status of the spark plug quickly.【24-Hour Service】We prioritize our customers above all else. If you have any questions about this ignition coil tester, please feel free to contact us without hesitation!NOTEDo not pull out or insert the spark plug with the power supply connected. If you want to insert or pull it out, please turn off the power first.When the spark plug is running, the voltage can reach tens of thousands of volts, so don't touch it directly with your bare hands to avoid injury.PRODUCT PARAMETERSInput power: AC 110±10% 50Hz/60Hz.Output power: DC 12V±2 1A.Analog speed: 0~9999 rpm.Ambient temperature: 0℃±45℃.Relative humidity: