Zmart Spark Plug Tester, Double Hole Diagnostic Tool, 12V, 0-6000 Rpm, for Automotive Engine Ignition Detection, Includes Japanese Instruction Manual

Jfind JF109 Double-Hole Spark Plug Tester: 1. Double 13mm holes 2.2A power supply 3. Technical tip 4.0-6000 rpm/min 5. Strengthened resistance coil. Other features of our spark plug tester: 1. Double holes for easy spark comparison and excellent performance. 2.2A power supply produces a larger spark than a 1A power supply (1A may not work well or produce a small spark). 3. Technical tip provides more stable performance to prevent spark plugs from failing to produce a spark. 4. Strengthened resistance coil produces a brighter spark. Jfind JF109 Double-Hole Spark Plug Tester Support List: The JF109 supports testing 13mm spark plugs for cars, motorcycles, speedboats, motorboats, and pontoons. Jfind JF109 Double-Hole Spark Plug Tester: 1. Double 13mm holes, 2.2A power supply, 3. Technical tip, 4. 0-6000 rpm/min, 5. Reinforced resistance coil. Other features of our spark plug tester: 1. Double holes for easy spark comparison and excellent performance. The 2.2A power supply produces a larger spark than a 1A power supply (1A may not work well or produce a small spark). 3. The technical tip functions more stably to prevent the spark plug from failing to produce a spark. 4. The reinforced resistance coil produces a brighter spark. Jfind JF109 Double-Hole Spark Plug Tester Support List: The JF109 supports testing 13mm spark plugs for automobiles, motorcycles, speedboats, motorboats, and pontoons.