Exact Voltage Readings
The digital display shows precise voltage values, so you know exactly what's flowing through the circuit.
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Why customers love it
Pinpoint Electrical Faults in Seconds
This digital automotive test pen delivers fast, accurate circuit diagnostics for cars, trucks, motorcycles, and boats. With a clear voltage readout and bright LED indicator, you can trace wiring issues and test fuses with confidence.
- Digital display shows exact voltage readings for accurate diagnostics
- Bright LED indicator for quick positive/negative or AC/DC detection
- Built-in safety features protect against reverse polarity and overvoltage
- Flexible test lead reaches tight spaces in engine bays and fuse boxes
- Durable probe tip pierces wire insulation without stripping
- Compact, lightweight design fits easily in a tool bag or glove box
Why You'll Love This Circuit Tester
Instant Polarity Detection
The bright LED indicator quickly shows positive/negative or AC/DC status, saving you time during diagnostics.
Built-In Protection
Safety features guard against reverse polarity and overvoltage, helping protect both you and your vehicle's electronics.
Reach Tight Spots
The flexible test lead and durable probe tip let you test wires in engine bays and fuse boxes without stripping insulation.
Setup
Simple to Use
No electrician, no wiring, no fuss.
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Pierce the Wire
Use the durable probe tip to pierce wire insulation without stripping it.
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Read the Display
Check the digital display for exact voltage readings and the LED for positive/negative or AC/DC detection.
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Diagnose the Circuit
Trace wiring issues, test fuses, and verify power presence with simple one-hand operation.
Specs
The details that matter
Built to last outdoors, season after season.
- Product Type
- Automotive Test Pen
- Voltage
- 12V, 24V, 70V
- Display
- Digital
- Light
- LED
- Application
- Car Repair Circuit Fuse Tester
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
What voltage systems is this test pen compatible with?
This test pen is compatible with cars, motorcycles, boats, and other 12V-24V systems, and it can also measure up to 70V.
How does the digital display help with diagnostics?
The digital display shows exact voltage readings, allowing for accurate diagnostics of electrical circuits.
Can the LED indicator detect AC/DC?
Yes, the bright LED indicator provides quick positive/negative or AC/DC detection.
What safety features are included?
Built-in safety features protect against reverse polarity and overvoltage, helping ensure safe testing.
Do I need to strip wires before testing?
No, the durable probe tip pierces wire insulation without stripping, making testing faster and easier.
Is it suitable for tight spaces?
Yes, the flexible test lead reaches tight spaces in engine bays and fuse boxes, and the compact design fits easily in a tool bag or glove box.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.