Check the listing for details. 12V Car Spark Plug Tester Adjustable Dual Hole Ignition Diagnostic Detector Tool. Condition: New. Listed at 16.99 USD. 12V Car Spark Plug Tester Adjustable Dual Hole Ignition Diagnostic Detector ToolFeatures:Dual Hole Car Spark Plug Tester Detector have two testing holes, you can test two spark plugs meanwhile. If you suspect any spark plug works improperly you could compare and test to make accurate judgment. To test spark plug performance and ignition strength, apply to 12V gasoline vehicles car spark plugs. The double hole of the car spark plug tester detector ignition plug analyzer diagnostic tool can be adjusted. You can adjust the working frequency between 1000rpm to 5000rpm/min, the higher the frequency, the stronger the spark strength Specification:Application: 12V car spark plugs Testing outlets: 2 Host frequency: 1000-5000 rpm Power output: 12V 1.5A DC Power input: 100-240V AC Colour: black Plug: EU-USA plug Accessories:Host X1 Power adapter X1 Instruction manual X1 Certificate of conformity X1 PaymentShippingReturnContact usAbout usPayment1.Paypal, Credit Card, G Pay etc, many payment way is accepted. 2.Please be sure your shipping address is correct before make a payment. Shipping1.We will ship out the item within 1-3 business days after comfirming the payment, appreciate your patience. 2.If the items are broken on the way(we will check the orders clearly before we sent them),please contact us in 3 days you received it. We will send you a new one or refund your payment. Return1.We stand behind every buyer.Items can be returned for exchange or refund within 30 days. 2.Please contact us when you have any confusion of our item, we will solve the trouble for you as soon as possible. Contact us1.This is professional Seller.We will reply your message within 24 hours. 2.Please contact us whenever you have any question about the item. We will deal with it as soon as possible.3. If you are unhappy with the item or our service,please Contact Us before leave feedback,just give me a chance,thank you! About us1. Unless specified otherwise, all our products are IN STOCK and are shipped from Local warehouse - Not Overseas! 2. We provide a 30 day Satisfaction Guarantee or your money back (provided items are in the same new and resaleable condition.) 3. We have a PayPal Verified Business Account, please buy with Confidence! 4. Every item will be tesrted before send.We know our products well and if we don't have the answers we will do our best to find them for you! 5. Our friendly team look forward to serving you! Your satisfaction is our No.1 Priority We will do our best to satisfacy you.Vehicle TypePassenger VehicleTypeSpark Plug TesterBrandUnbrandedManufacturer Part NumberDoes not applyVolt12 VoltWarranty1 Year