DUOYI DY28 12V Car Spark Plug Tester Dual Hole Lgnition Plug Analyzer Tool Scanner Gasoline Vehicles Petrol Car Ignition Testers

DUOYI DY28Dual Hole Car Spark Plug Tester

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. Adjustable double hole car spark plug tester detector Ignition Plug Analyzer Diagnostic Tool Car Spark Plug Tester Detector with Dual Hole Advantage: 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 plug

Package list: Spark Plug Tester *1 Power Adapter * 1 User Manual (English)*1

Car Spark Plug Test principle: In automobile ignition system, the high-voltage ignition coienerates 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.Close up the protective cover , then plug in the adaptor to the side socket , connect the tester to power supply. 3.Turn the key switch clockwise to turn on tester, indicator will light up green. 4. Continue to turn the switch clockwise, you can adjust the working frequency between 1000rpm to 6000rpm/min, The higher the frequency is set, the stronger the spark more.

Product : Main Unit Size:145*85*60mm Main Unit Weight:354 g ( 0.8 lb ) ( Not includingPower Adapter) Power Adapter: Input 100-240V AC / Output 12V 1A DC

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1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO)

2. All orders will be shipped out within 3 working days ar we have succefully received your payment.

3. We offer regular Post Air Mail and have set up methods.

4. Since the trade is trans-national, as well as airmail is the est shipping method, it will take a long time for delivery. If you don't want to wait such a long time, please choose Expre and pay the fee.

5. We are not responsible for your Customs duty.

1. If it are found in bad condition when received, please contact us freely. We can the money or resend a new one to you.

2. If you are not satisfied with the product because of personal preference, you can return it to us within 7 days. You need to pay the freight.

3.All returned it MUST BE in the packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.

1.12 months warranty

2.If you are not satisfied when you receive your item or with quality problem,please contact us,we can offer return or resend warranty but please offer evidence to show the problem actively.

We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very ant We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily addre your concerns.

About shipping
Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days ar buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

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Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.