Skip to product information

3–120V Digital Automotive Circuit Tester Pen

3–120V Digital Automotive Circuit Tester Pen

 (634 Reviews)
Regular price $19.99
Regular price $19.99 Sale price $45.00
SAVE 55% Sold out
PayPal

🛡️ Safe: Fixed probe cap, insulated tip, anti-bend wire guard ECU

📊 Clear LCD: Day-night read, steel probe for tight wiring

🔋 Multi-Volt: 6/12/24V DC, test all car circuit faults

🎒 Portable: Long light spring cord, compact storage

💡 Dual LED: Polarity prompt + digital voltage

⚙️ Easy use: Clip & probe fast testing

 
Spring Cable
Spring Cable
Straight Cable
Straight Cable

BUNDLE & SAVE

FLASH SALE ENDING SOON
00:14:59
🔥 Only 14 left
👀 47 viewing
🛒 186 orders/24h
PayPal
 
add_shopping_cart

-

Ordered

local_shipping

- - -

Order Ready

redeem

- - -

Delivered

3–120V Digital Automotive Circuit Tester Pen

3–120V Digital Automotive Circuit Tester Pen

Regular price $19.99
Regular price $19.99 Sale price $45.00
SAVE 55% Sold out

This tester is super safe with the probe cover, easy to read LCD screen and works great for all my 6-24V vehicle wiring checks!

Juan M.

Specification

Product Name: Automotive Test Light

Three measurement ranges available: 3V-70V, 3V-36V, 6V-24V

Handle Material: ABS plastic

Application Scenarios: Mainly used for low-voltage circuit maintenance of automobiles and motorcycles, with a wide selection of styles, factory direct sales and after-sales guarantee provided

Safe & Secure Checkout

We use state-of-the-art SSL Secure encryption to keep your personal and financial information 100% protected.

60 Days Return

If the return is caused by the consumer, consumer should be responsible for the shipping fee. The specific fee should be based on the express company you choose.

If due to our reasons, the goods received are damaged or not correct, and the consumer is not required to bear the shipping fee for this reason.

info@vexroan.com

 

(a) return

 

To be eligible for a return, please confirm the following:

 

-The items to be returned remain unused, undamaged, unwashed and in the original packaging with the original label.

 

-You pay for the return. Items that do not meet the above criteria cannot be returned.

 

Customers have 60 days from the date of receipt to change their mind and return the items without giving a reason. 

 

All returns must be authorized by our team first. Please contact us at info@vexroan.com to obtain a return authorization before sending your item back. Important: Do not return the package to the address shown on the shipping label, as this is not our official return address. Returns sent to an invalid or unapproved address cannot be processed for exchange or refund.

 

(b) Refunds

 

We'll email you once we've processed your refund or exchange.

 

Refunds will be made within 3 working days of receiving your return. After verification, please check your account.

 

There may be a slight delay in your return request as we usually process it twice a week. If you have any questions, please contact

info@vexroan.com. We will answer you as soon as possible.

 

(c) cancellation

 

You can cancel your order before your item is shipped. Please contact us at

info@vexroan.com if you want to cancel your order.

 

Shipping damage claims

 

We are proud of our products, but we cannot control the shipment. In some extreme cases, the item you receive may be damaged in transit. So please check the item when you receive it in good condition. If the accident really happens, please provide us with the photo or video and contact us at:

info@vexroan.com

 

Note:

-We’ve partnered with Seel to provide shipping protection. If you purchased Seel Shipping Protection at checkout, you are eligible to file a claim if your package experiences any of the following issues during transit::

· Delivery delays

· Lost packages

· Damaged packages

You may file a claim with Seel with the shortest being within 7 days of delivery. Claims submitted after this period will not be accepted.
For full coverage details, please visit: Seel Protection Details

How to file a claim: After purchasing shipping protection, you will receive a confirmation email from Seel. Simply follow the link in that email to access the claim submission page, or click the claim portal here: Resolution Center

-Customized products (such as lettering) do not accept returns and exchanges unless there is a product quality problem.

 

Refund

Once your refund request is approved, we will process the refund as soon as possible.
Refunds will be issued to the original payment method used at checkout (such as credit/debit card or third-party payment providers).

refund processing time:

  • credit / debit cards: refunds usually arrive within 3–5 business days, depending on your bank

  • PayPal or other third-party payment methods: typically 1–3 business days

Please note that processing times may vary based on your payment provider. If you have not received your refund after the stated timeframe, we recommend contacting your bank or payment provider first, or reaching out to our customer support team for assistance.

If you have any questions regarding refunds, feel free to contact us at any time.

Shipping Costs

ORDER PROCESSING & DELIVERY TIME

Processing Time:

· Normal Processing Time: Orders are typically processed within 24 hours on business days (Monday–Friday).

· Weekend & Holiday Orders: Orders placed on weekends or public holidays will be processed within 48 hours.

· Customized Orders: For personalized or engraved items, additional 3-5 business days are required for customization.

Delivery Time:
Total delivery time = Processing Time + Shipping Time

· Estimated shipping time varies based on destination and shipping method. Delays may occur due to customs clearance, high order volumes, or local postal service disruptions.

· Peak Season Delays: During peak shopping seasons (e.g., Black Friday, Cyber Monday, Christmas, New Year, Valentine's Day, and other major holidays), delivery times may be extended due to high order volumes. We appreciate your patience.

SHIPPING COSTS & FREE SHIPPING POLICY

Standard Shipping Costs:

· 

· Free Shipping: Enjoy complimentary shipping on orders of $69 or more!

· 

Standard Shipping:

  • United States: A flat rate of $4.99 applies for orders under $49

  • Canada & Australia: A flat rate of $5.99 applies for orders under $49

  • This ensures reliable delivery of your items.

·

We occasionally offer free shipping promotions. Check our website or subscribe to our newsletter for updates.

· 

 

SHIPPING COUNTRIES & ESTIMATED DELIVERY TIME

We offer worldwide delivery to door. The estimated shipping time before delivery will be about 3~15 days.

Shipping Method: Air Shipping

Shipping countries & timelines:

· US: 3-7 Workdays

· CA/AU/UK: 3-15 Workdays

· Germany/France/Italy/Spain/New Zealand/Netherlands: 10-15 Workdays

· Other countries: 10~15 Workdays

SHIPMENT TRACKING

Once your purchase has shipped, you will receive a shipping confirmation email with tracking details. You can track your order by visiting our Track Your Order page.

CUSTOMS DUTIES & TAXES

Customers do not need to bear customs tax. However, in rare cases, customs policies may vary by country. If any additional customs charges apply, the customer will be responsible for covering these costs.

ADDRESS ACCURACY & FAILED DELIVERY POLICY

Customers must ensure that the provided shipping information (name, address, phone number, etc.) is accurate and complete.

If an order fails to be delivered due to incorrect or insufficient shipping details provided by the customer, we cannot process a replacement for the order and reserve the right to refuse a refund. Please double-check your shipping details before completing the order.

 

10. Contact Us

If you have any questions about shipping, feel free to reach out:

 Email: info@vexroan.com
Response Time: Within 24–48 hours on business days

 

Unique Integrated Safety Design

This tester features an integrated probe protective cover to fully shield the sharp probe tip. It effectively prevents accidental stabbing injuries, and the protective cap is attached to the unit so it will never get lost. Compact and portable, you can carry it anywhere for on-site vehicle electrical checks.

3–120V Digital Automotive Circuit Tester Pen feature 3

Precise & Clear Voltage Reading Function

This power circuit probe kit comes with an LCD digital voltage display for accurate voltage measurement, delivering readable data both in bright daylight and dark, dim workspaces.Crafted with sharp stainless steel probe tip, it effortlessly pierces wire insulation and reaches tight, hard-to-access gaps inside vehicle wiring harnesses. The insulated rubber sleeve on the probe tip provides reliable anti-shock protection to avoid electric hazards during testing.

3–120V Digital Automotive Circuit Tester Pen feature 4

Safe & Reliable for Vehicle ECUs

Equipped with an onboard professional circuit chip, this auto circuit tester is far safer and more durable than traditional analog test lights, eliminating risks of burning out vehicle onboard computer boards.The tail wire adopts anti-bending strain relief design to prevent loose connections caused by frequent twisting and pulling.

3–120V Digital Automotive Circuit Tester Pen details

Wide Compatibility for 6V/12V/24V DC Systems

Engineered for 6V, 12V and 24V DC automotive electrical systems, this professional circuit test pen handles multiple diagnostic tasks: verifying power supply, checking ground connections, locating wire short circuits and broken cables.It quickly diagnoses faults for headlights, taillights, turn signal circuits, electrical sockets, wiring connections, fuses and open wires on all vehicles.

User-Friendly Portable Structure

Built with an extra-long 5.9 ft PU coiled spring cord, it maximizes flexibility, testing range and freedom of movement during inspection.The sharp stainless steel probe with protective rubber tip accesses narrow spaces and punctures cable insulation smoothly. Coiled spring cords are lighter and more space-saving than solid straight wires, taking up minimal room in your toolbox for convenient storage and instant use anytime.

Simple Step-by-Step Operation

  1. Identify the automotive component to be tested
  2. Attach the tester’s alligator clip to battery negative terminal or chassis ground
  3. Touch the probe tip to the circuit’s opposite test pointThe built-in dual-color LED indicates circuit polarity: red light for positive polarity, green light for negative polarity. After connection, the LCD screen will clearly display the exact digital voltage value for straightforward reading.
View full details
  • Does exactly what it says

    Picked this up for diagnosing a wiring issue on my truck. Works well across the voltage range and the display is easy to read. Solid tool for the price.

    Ashley Turner

  • Handy little tester

    I'm not a mechanic but I needed something simple to check fuses and circuits at home. This does the job without any fuss. Happy with it.

    Rachel Bennett

  • Good for the workshop

    Been using it for a few weeks now on various vehicles. Accurate readings, comfortable grip, and the build quality feels decent. Would recommend to anyone doing basic electrical diagnostics.

    Ryan Mitchell

  • Compact and reliable

    Fits easily in my toolbox. Used it to trace a short circuit and it saved me a trip to the shop. Does what I need.

    Nicole Hayes

  • Better than expected

    Wasn't sure about the quality at first but it's held up well. Clear readings and easy to use. Good value.

    Jason Cooper

  • Useful for everyday checks

    I use this regularly for checking battery voltage and testing circuits before replacing parts. It's straightforward and reliable. The wide voltage range is a plus — covers pretty much everything I work on.

    Derek Sullivan