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12V Car Spark Plug Tester Detector Ignition Tester Dual Hole Adjustable 9000rpmMRCARTOOL H90 Car Spark Plug Tester is for testing the performance and strength of spark plugs. The product simulates actual engine conditions and works up to 9000rpm. It can also test two holes at the same time.It features an adjustable height for the testing holes, allowing to fit different types and sizes of spark plugs. This flexibility makes it a versatile tool that can be used with a wide range of spark plug models. Features:▶️Wide Range of Applications:The height of the test socket is adjustable, supporting not only standard spark plugs but also accommodating longer spark plugs used in BMW, Vol kswagen, and Audi vehicles. ▶️Dual-Socket Testing:It is able to dual-hole simultaneous testing as well as analog engine working, which is much more efficient and time-saving. ▶️Adjustable Working Frequency:It is designed with adjustable working frequency, the range can reach 500 to 9000rpm. Can be adjusted as you required. ▶️HD Digital Display:Precise regulation with an intuitive display of speed range values,where different speeds correspond to different working conditions. ▶️Battery Clamp Design:Power Efficient and convenient,no power outlwt required.Testing can be performed by connecting directly to the battery. SpecificationsPackage Include Payment & Buyer's DutyDelivery detailsTerms of ReturnAbout usContact usPayment & Buyer's DutyPayment should be made within 3 days after bidding ends.We are not responsible for buyers' local tax and duty.（1）Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer responsibility.（2）If you are purchasing an item shipped from outside your country, please check with your country customs office to determine what these additional costs will be prior to bidding / buying.（3）Orders shipped from China will be charged with or without customs duty according to the amount of collection and payment on behalf of eBay. Uncollected orders will require the buyer to clear customs and pay the duty when the package arrives at the destination country. Customs clearance is the buyer's responsibility and obligation.For orders that do not include tax, buyers can note the tax code at the time of payment for customs clearance.Delivery details（1）We only ship parcel to the address in eBay payment.Please make sure payment address in eBay is correct.（2）Any non-received items caused by invalid address registered on eBay are not in our full refund or replacement policy. （3）If you have special needs for transportation services, or urgently need to get the purchased items, please notify us before payment, or leave a message when paying, we will provide you with a solution as soon as possible.Terms of Return（1）Item may be returned for refund or replacement within 30 daysof the purchase date. Returned merchandise must be unused, in original packaging and include all accessories.（2）Defective products may be returned for repair up to 1~3 year from the purchase date. Repairs will be processed through the manufacturer, we will assist in the repair procedure in any way we can to expedite the process.（3）Before any return, a Return Merchandise Authorization (RMA) must be obtained by contacting the seller. About us（1）We are a professional automotive tools company, with own factory located in China. （2）We are a professional authorized dealers of AUTOOL , MRCARTOOL brands. Also offer reasonable prices , excellent customer service and a reliable credit standing are our target. （3）We own four warehouses in the world: China warehouse, United States warehouse, Germany warehous, United Kingdom warehouse.It is now one of the biggest online commercial corporations in China. Contact us（1）Our normal working hours are from 9 am to 6 pm Beijing time Monday to Friday, which is 9 pm to 6 am Eastern Time. （2）If you have any questions about our list and products, please send us an email via "My Message" on eBay. All messages will be answered within 24 hours during work day.（Except weekends and holidays,we apologize for the late reply to the question during the holidays.） （3）We appreciate that you can contact us first if you have any problem with your order. We normally reply you within 24hours and try to give you the best solution. （Except weekends and holidays ,we apologize for the late reply to the question during the holidays.） （4） In order to provide you the best service, please treat the transaction fairly.Positive Feedback and 5-stars of DSR are our life, before you leave a neutral or negative feedback. Do wish you can contact us firstly BEFORE giving us or feedback, so that we can know the problem and try our best to meet your requirements.Thank you!