Car Spark Plug Tester Automotive Diagnostic Tool for 12V Car Track

Dual Hole Car Spark Plug Tester Detector have two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark plug works improperly you could compare and test to make accurate judgment.
Usage: Test spark plug performance and ignition strength
Application Range: 12V Gasoline vehicles car spark plugs
Car Spark Plug Test principle:
In automobile ignition system, the high-voltage ignition coil generates a high-voltage (10000 volts or more), and the spark plug diverts it form high-tension ignition coil into the cylinder engine, spark between the spark plug electrodes will ignite the mixture. The Detector could tell the good spark plugs from the bad by the strength of the spark.

Car Spark Plug Tester Using Note:
1. Please Turn Off Power before you place spark plug
2. The Spark Plug Tester is a high-voltage detector, so do not touch spark plug with hand at work to avoid danger.
Car Spark Plug Tester User Manual:
1.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
2.Connect to power supply
3.Turn the key switch 4 clockwise to turn on tester, indicator 3 will light up, tester is now working at 1000rpm/min.
4. Again turn the key switch 4 clockwise,you can adjust the working frequency between 1000rpm to 5000rpm/min.
The higher the frequency, the stronger the spark strength.
Main Unit Weight:220G( Not including Power Adapter)
Power Adapter: Input 100-240V AC / Output 12V 1A DC
Colour: black gray
Material: plastic

Package Contents:
1 * Car Spark Plug Tester
1 * US Plug Adapter
1 * EU Plug Adapter

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

About Us
We provide the good product with the best price,we support Wholesale/Drop Shipping Order
1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it.
2. For Wholesale/Drop Shipping orders, if you have any ideas about the price or package,please contact us in advance,we will give you the best service to satisfy your demands.

About Shipments
1.We will send out the orders ASAP once your payment is completed normally.
2.Please write your complete delivery address with correct phone number and zip code, especially please confirm your full name.

About After-sale Service
We are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer.

About Feedback
1. Please check the package and item when you get carefully to make sure there is no problem.
2. If you have any problem or are not entirely satisfied with your package,please don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you.
3. If there is no problem, please leave us five star positive feedback.
Your affirmation is our greatest motivation ! !