DUOYI DY28 Car Double Hole Spark Plug Tester, US Plug, DUOYI US Plug – Durable Build, Easy to Use

DUOYI DY28 Car Double Hole Spark Plug Tester, US Plug, DUOYI US Plug – Durable Build, Easy to Use.

Key Features:

• It has 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...
• Adjustable double hole car spark plug tester detector Ignition Plug Analyzer Diagnostic Tool
• Usage: Test spark plug performance and ignition strength
• Application Range: 12V Gasoline vehicles car spark plugs
• 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...
• (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...

Package Info: Weight: 0.48kgs / 1.05lb, Size: 15cm * 12cm * 10cm / 5.91inch * 4.72inch * 3.94inch

Shipping: Shipping charges and final delivery dates are shown at checkout.