Check the listing for details. Car Spark Plug Tester Digital Auto Ignition System Analyzer 5 Holes Detector 12V. Condition: New. Listed at 65.99 USD. Car Spark Plug Tester Digital Auto Ignition System Analyzer 5 Holes Detector 12VDescription :AUTOOL SPT360 Car Spark Plug Tester is a digital high-frequency tester for testing the performance and strength of spark plugs. The frequency can reach up to 9000 rpm and compatible with spark plug testing of all crankshaft engines and motorcycles on the market. This product can compare five holes at the same time, simulate the real speed and display digital control. Function：--Spark plug performance test--Standard comparison test--Analog engine working--LCD display Features：1. The working frequency can reach up to 200~9000 rpm.2. Digital Display Screen3. Can simultaneously test 5 holes4. For spark plug testing of all crankshaft engines & motorcycles5. Can simulate actual speed & test the performance of the spark plugs at different RPMs as well. STANDARD COMPARISON TEST Confirm the standard test position to make an obvious contrast to the tested spark plugsWIDE RANGE OF OPERATING FREQUENCY The operating frequency range can reach 200~9000 rpmLCD DISPLAY Digitally display working frequency for more precise adjustmentSpecifacation:Working frequency up to 9000 rpm Input power: AC110V ± 10% 50H z/60Hz Output power: DC12V ± 2 1A Analog revolutions: 0~9999 revolutions/min Ambient temperature: 0°C~+45°C Relative humidity: