KW340 Car CAN OBD2 EOBD Scanner Diagnostic Tool Engine & Battery Test Read Fault Code Clear Real-Time Data Function

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Product Details

Welcome to KONNWEI Official Store!!!

2026 KONNWEI KW340 Car CAN OBD2 EOBD Scanner Diagnostic Tool Engine & Battery Test Read Fault Code Clear Real-Time Data O2 Inspection Tool

Supported languages:English,German,Frenchm,Russian,Spanish,Polish,Italian,Portuguese,Dutch


Model :KW340
ltem name:Car OBDll Diagnostic Code Reader
Feature:Read Codes, Erase Codes, 02 Sensor Test, On-BoardMonitoring, l/M Readiness, Evap System, Data StreamVehicle information, Freeze Frame, Battery Voltage Test
Voltage:8V~18V
Current:min–max:131mA—-171mA
Storage Temperature:-20 to 70’℃ (-4 to 158 F)
LCD Screen:2.8” 320×240 pixel TFT Color Screen (day & night mode theme)
Dimensions:163 (L)x 85.5 (W)x 23.5 (H)mm
Power:From vehicle battery
One-click keys:DTC, I/M, VIN, battery check
Size :24x164x86mm
Weight :0.36kg

Since 2006, We have been a high-tech enterprise specializing in the R&D, production and sales of automotive OBD2 scanners, car battery testers, full-system automotive scanners and other automotive electronic products. Our factory has its own R&D team, capable of providing customers with brand customization and developing new products. We have always adhered to the tenet of “providing customers with the most satisfactory products and services” and are committed to offering KONNWEI’s technologies and services to the world with an innovative and pragmatic philosophy.

 

 

Item Specifics
Communication Interface:
OBD-II
Free Update Period:
Lifetime
Automotive fit type:
Universal fit
Reviews
(7)
Verified Buyer
Customer
15 Jun 2026 00:00

Good. device works no problem (opel astra h, 2007).

Verified Buyer
Customer
12 Jun 2026 00:00

Excellent

Verified Buyer
e***r
7 May 2026 00:00

"wow, give this scanner a try!!! I am so far from a mechanic is ridiculous but i have many older vehicles and i figured i woukd try this diagnostic scanner before getting ripped off at a dealer. . Well it is extremely easy to use, it will clear those nonsense ""check engine"" lights along with some much other functions. I have multiple konnwei scanners, battery chargers, and diagnostic tools. They are all great. I can't explain how easy they are to use. Try it!!! Lets go 🤟 👍 "

Verified Buyer
j***r
17 Apr 2026 00:00

The kw340 model is very user-friendly!

Verified Buyer
a***r
16 Apr 2026 00:00

"i have purchased several obd devices from the official konnwei brand store before, and i am a fan of them!! ! "

Verified Buyer
a***r
14 Apr 2026 00:00

This is a really good little scanner for the diy or home mechanic. I'm not sure it would be a good fit for a full time mechanic, but it could work. It plugs into your vehicle's obd2 port, so a bluetooth connection & separate device is not necessary. You can read error codes, check emission system performance & even read live data to help track down a problem. It is a sleek and modern design & was definitely a great deal.

Verified Buyer
y***r
10 Apr 2026 00:00

I'm very happy! Car obdii diagnostic arrives at thedestination in the estimated time. They are good quality andcorrespond to the descriptions on the website. Thanks tothe store and aliexpress for the promptness and quality ofthe products offered. Recommend this store.

Shipping & Returns

SHIPPING

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have been shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 15-40 Business days
Canada, Europe 15-40 Business days
Australia, New Zealand 15-40 Business days
Central & South America 15-40 Business days
Asia 15-30 Business days
Africa 15-40 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

RETURNS

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of car accessories (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://www.carforaccessories.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Why Buy From Us

A few reasons why buy from us:

SAFE SHOPPING

We try our best to make your shopping experience not only pleasant, seamless and hassle-free, but also secure.

FREE SHIPPING

Enjoy flexible international shipping services that currently operate in over 200 countries across the world.

NEW ARRIVALS

Brand new products are available on a regular basis.

PRICE PROMISE

We don't want you to choose between the best value and the best service. That's why we offer competitive pricing.

EXCELLENT CUSTOMER SERVICE

Knowledgeable and professional support team is always happy to help you.

EASY TRACKING

Check your order status online. As easy as that!

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