MST-880

Test principle:

In automobile ignition system, the high-voltage ignition coil generates a high-voltage (10,000 volts or more), and the spark plug diverts it from 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.

Test Methods:

1. Place the spark plug on the pedestal
2. Power-on
3. Press the key switch, the red LED will illuminate and the good spark plug will generate a strong spark and the bad will generate a faint one or not .
4. Loosen the key switch, take the spark plug down the tester by pinching the bottom of it.

Package including:

1pc x Spark plug tester
1pc x 12V linear regulator
1pc x User's manual

Detail of product

1. Shipping Time

1) 1-3 business days for order processing after received the payment.
2) The shipping time is about 2 to 5 days via UPS DHL and EMS,15-30days via HK POST AIR to Worldwide.
3) If you are from Russian, Ukraine, Argentina, Brazil, please choose EMS as delivery way.

2. Note
We hope it arrive on time but since this is an international delivery, shipping time will be highly depended on the courier company and local customs/duties. Thank you for your understanding.

3. Return Policies
1) If you are not satisfied with your purchase .please contact us quickly, we can exchange one to you,but buyers is responsible for the returning shiping cost .
2) If you have any item proplem, just email us quickly, we will do our best to slove it in 24 hours, please don't leave bad feedback before contacting us, it is not the best way to slove proplem. thank you!
3) If you want more items we can give you a little discout,thank you!

4. Contact Us
1) Our office hours are :12hours 7 days online service
2) And if nobody answer you online in time sometimes,do not worry.leave us a message or write down your desires,we will contact you as soon as possible.

5.Other Policies

1.If you order in bulk,price can be negotiate.

2.We declare low value on invoice to help customer avoid pay high import tax,if you need write real value please leave messages to us.6.TaxIf you have special request about the customs,please inform us when you take the order (mobile phone(whatsapp)(viber): 008613250245422)Skype zhu645936733 yahoo Amyzhu1225Appreciate for your positive feedback