Features:
Quickly diagnose problems with all ignition systems.
Connect the tool between the spark plug and the plug wire.
Wide Application: The car spark plug tester is used to test spark plug performance and ignition strength.
The car spark plug tester is made of fine-quality and practical material, which could help for a long time.
Portable and Simple Operation: The car spark plug tester owns a mini size with lightweight, so that you could take it to anyplace with effortless.
Normal sparks of fire gauges as "purple blue and 2cm straight line," if the ignition coil is bad when the color is red or cur-ve.

Specifications:
Type: Car Spark Plug Tester
Quantity: 1PC
Material: Plastics
Package size: 20*11*2.3cm / 7.87 * 4.33 * 0.91in
Package weight: 105g / 3.7ounce

Package:
1 * Spark Plug Tester
1 * Power Adapter