Car Spark Plug Tester 12v Dual Hole Detector Engine Auto Diagnostic Tool with Power Adapter

Description

Usage: Test spark plug performance and ignition strength. Application Range: 12V Gasoline vehicles car spark plugs. The Detector could tell the good spark plugs from the bad by the strength of the spark. The Spark Plug Tester is a high-voltage detector, so do not touch spark plug with hand at work to avoid danger. Power Adapter: Input 100-240V AC / Output 12V 1A DC