Ancel Car Spark Plug Tester Ignition System 220V 110V Automotive Spark Tester Double Hole Detector Spark Plug Diagnostic Tool. Place the Spark Plug into tester hole 1 or 2; If you want to compare the new spark plug and old one, place new spark plug into hole 1 and the old on into hole 2.

Warranty: 1 Year
Type: Spark Plug Tester
Brand: ANCEL
Manufacturer Part Number: Car Spark Plug Tester
Functions: Test Spark Plug Performance,Ignition Strength
Features: Double Hole Detector
Accessories: Power Adapter
Vehicle Type: Passenger Vehicle
Volt: 220V 110V
Working frequency: 0 to 6000rpm