2-in-1 Automotive Circuit Tester & Relay Diagnostic Tool

2-in-1 Automotive Circuit Tester & Relay Diagnostic Tool

$35.99
$35.99 $44.99
SAVE 20% Sold out
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2-in-1 Automotive Circuit Tester & Relay Diagnostic Tool

2-in-1 Automotive Circuit Tester & Relay Diagnostic Tool

$35.99
$35.99 $44.99
SAVE 20% Sold out

Free Returns for AltaMoro Members

Order Cancellation
You may cancel your order any time before it has been shipped or put into production. A full refund will be issued for cancelled orders. Please note that once the item has been dispatched, cancellations are no longer possible.

Return Policy (if applicable)
We gladly accept returns. Customers may request a return within 14 days of receiving their order.
To qualify, items must be unused, in their original condition, and returned in the original packaging. Proof of purchase (such as a receipt) is required. Please do not send your item back to the manufacturer.
Customers are only responsible for shipping fees once per order (this includes return shipping). No additional restocking fees will be charged.

Refunds (if applicable)
After we receive and inspect your returned item, we will notify you via email. You’ll also be informed whether your refund request has been approved or declined.
If approved, your refund will be processed within a few business days, and the credited amount will be applied to your original payment method.

Delayed or Missing Refunds (if applicable)
If your refund hasn’t appeared yet, please check your bank account again.
Next, reach out to your credit card provider—sometimes it takes a little longer for refunds to be posted officially. You may also want to check with your bank, as processing times can vary.
If you’ve completed all these steps and still haven’t received your refund, please contact us at service@altamoro.net

Return Address
For the return address, please reach out to our customer support team at service@altamoro.net

SHIPPING

We’re committed to providing reliable delivery options no matter where you are located. Each day, we ship orders to customers worldwide, making sure you enjoy quick and dependable service at every step.

Delivery times are broken into two stages:

Processing Time: Includes order confirmation, quality checks, and packaging. All purchases are prepared and sent to our distribution hub within 48 hours after the order is placed.

Shipping Time: The period required for your package to travel from our distribution center to its final destination.

ESTIMATED SHIPPING TIMES BY REGION

Nordic Countries

Standard Delivery: 12–15 business days ($8.9 USD)

VIP Delivery: 5–7 business days ($15.9 USD)

Western, Central & Southern Europe

Standard Delivery: 10–12 business days ($8.9 USD)

VIP Delivery: 5–6 business days ($15.9 USD)

Eastern Europe

Standard Delivery: 8–10 business days ($8.9 USD)

VIP Delivery: 4–6 business days ($15.9 USD)

North America

Standard Delivery: 10–15 business days ($8.9 USD)

VIP Delivery: 6–7 business days ($15.9 USD)

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2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

Stop Chasing Electrical Ghosts — Diagnose in Seconds

Tired of juggling bulky multimeters and test lights? This 2-in-1 Diagnostic Tool changes the game. Combining a circuit tester and a relay tester in one rugged device, it features clear LEDs and a digital screen to help you pinpoint issues quickly, accurately, and safely — no multiple tools required.

See It in Action: Diagnose 3 Common Faults in Seconds

Watch how this 2-in-1 tester instantly locates bad fuses, broken wires, and faulty relays — no guesswork, just precise results.

Quick Wire Check

Probe any wire to instantly verify continuity and track down hidden breaks in seconds.

No More Fumbling in the Dark

Built-in dual LED lights instantly illuminate dark engine bays and tight fuse boxes. Test circuits at night with both hands free — no flashlight required. Just point, probe, and see clearly.

Stop Guessing. See the Polarity Instantly.

Forget confusing meters and complicated readings. Our smart indicator lights give you the answer in seconds:
🔴 Red Light: Positive (+) Detected
🟢 Green Light: Negative/Ground (-) Detected
⚫ No Light: No Voltage Present

Fast, foolproof, and effortless. Just probe and know.

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

2-in-1 Circuit & Relay Testing

Clear Digital Voltage Display

Instant Red/Green Polarity LEDs

Diagnose Faster. Work Safer. Fits Everything.

Accurate & Fast

Get immediate, precise readings to pinpoint issues and get back on the road quickly.

Safe & Durable

Built with internal protections and a rugged housing to withstand tough engine bays.

Universal Fit

Works flawlessly on any 12V or 24V system, from cars and trucks to RVs and boats.

Plug & Play

Just clip, probe, and read — no complicated setup or calibration required.

The Ultimate Diagnostic Upgrade

  Traditional Multimeter
 Instant Polarity Indicator (LED) 
 Digital Voltage Display 
 Relay Testing (12V/24V) 
 2-in-1 Circuit + Relay Function 
 Easy One-Hand Operation 
 Rugged & Compact 

The Professional Mechanic

Find electrical faults in seconds and get vehicles back on the road faster.

The DIY Enthusiast

Handle your own electrical repairs easily — no expensive, complicated gear required.

The Fleet Manager

Keep your entire fleet running with fast, reliable circuit and relay testing.

The Auto Electrician

A rugged, everyday companion built for the toughest shop and roadside jobs.

Built for Every Automotive Pro & DIYer

Trusted by Mechanics & Auto Pros Everywhere

  • Finally, a Tool That Does It All!

    I'm a mechanic and this is my new go-to tester. Having the digital screen and the red/green LEDs makes it so fast to check fuses. The relay testing feature is a huge bonus. Built solid.

    Michael R.

  • Saved Me Hours of Frustration

    I was chasing a no-start issue on my truck. Used this tester and found a bad ground in seconds. The LED light is so bright and clear. Way easier than my old multimeter. 

    David K.

  • Sturdy and Reliable

    The build quality is excellent. It feels heavy-duty in your hand. The relay test function works flawlessly on my 24V system. Highly recommend for anyone doing electrical work.

    Robert L.

  • A Must-Have for Your Toolbox

    This is one of those tools you don't realize you need until you have it. It's compact, accurate, and incredibly useful. The red and green lights make troubleshooting so much faster. Worth every penny.

    Lauren W.