Accurate voltage readings
The digital display gives accurate voltage readings from 6V up to 72V, covering most automotive systems.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
1 / 26
Why customers love it
Pinpoint electrical faults with confidence
This compact digital circuit tester reads voltage, checks continuity, and identifies polarity, helping you trace faults in lights, sockets, fuses, and more.
- Digital display provides accurate voltage readings from 6V up to 72V
- Bidirectional design checks polarity with red for positive and green for negative
- Durable ABS insulation housing and flexible PU spring cable
- Ultra-tip test probe reaches into connectors and fuse blocks
- Compact and portable—fits easily in toolboxes or glove compartments
Smart diagnostics for every vehicle
Clear polarity checks
The bidirectional design checks polarity with red for positive and green for negative, so you always know the connection.
Built for tight spaces
A durable ABS insulation housing and flexible PU spring cable make it easy to handle in tight spaces.
Precision and portability
The ultra-tip test probe reaches into connectors and fuse blocks with precision, and the compact size fits easily in toolboxes or glove compartments.
Specs
The details that matter
Built to last outdoors, season after season.
- Voltage range
- 6V-72V
- Display
- Digital
- Probe
- Ultra-tip test probe
- Cable
- Flexible PU spring cable
- Housing material
- ABS
Comparison
Why choose this circuit tester
Not all products in this category are built the same.
Feature
SmartPicksWorld
Typical alternative
Voltage range
Reads from 6V up to 72V
Often limited to lower voltage ranges
Polarity indication
Bidirectional design with red for positive and green for negative
May require manual interpretation
Probe design
Ultra-tip test probe reaches into connectors and fuse blocks
Bulkier probes may not fit tight spots
Connection
Chrome-plated alligator clip connects securely to battery terminals or ground
Basic clips may not hold as firmly
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 range does this circuit tester support?
This tester reads voltage from 6V up to 72V, covering most automotive systems including cars, trucks, and motorcycles.
How does the tester indicate polarity?
The bidirectional design checks polarity with red for positive and green for negative, so you can quickly identify the correct connection.
Can the probe reach into tight connectors and fuse blocks?
The ultra-tip test probe is designed to reach into connectors and fuse blocks with precision, making it easier to trace faults in tight spaces.
Is the tester built to handle tight or confined spaces?
Yes, the tester features a durable ABS insulation housing and a flexible PU spring cable, which help protect it and make handling easier in confined areas.
Is this tester easy to carry and store?
Yes, it is compact and portable, fitting easily into toolboxes or glove compartments for convenient storage and transport.
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.