【 Dual Hole Testingu0026 Time-Saving】: The Car Spark Plug Tester is able to dual-hole simultaneous testing as well as analog engine working, which is much more efficient and time-saving.
【0 to 6000rpm Operating Frequency】: The Car Spark Plug Tester is designed with adjustable working frequency, the range can reach 0 to 6000rpm. Can be adjusted as you require.
【Easy operation Plug And Play】: Easy operation, plug and play. Come with an indicator light, so the status of the spark plug can be displayed more intuitively.
Car Spark Plug Tester 110V 220V Ignition System Tester Double Hole Spark Plug Analyzer Automotive Scanner