Circuit Tester LED Digital Polarity 3-48V Coiled Cable
High Quality
Free US Shipping
Hassle Free Returns
Stop wasting time hunting electrical faults instantly resolved
Identify voltage issues precisely from 3V to 48V — with a flexible 70.1 in (5.84 ft) cable and clear LED display, no guesswork or ambient interference
Why is this Digital Circuit Tester perfect for you?
✔ Precise voltage measurement from 3V to 48V: Measures voltage precisely across a broad range suitable for cars, trucks, boats, and SUVs, enabling accurate fault detection and reducing troubleshooting time.
✔ Clear LED digital display for easy reading: Features an LED digital display that remains readable in any lighting condition, eliminating errors caused by poor visibility and ensuring reliable measurements.
✔ Flexible 70.1 in (5.84 ft) coiled cable and secure polarity indication: Includes a flexible coiled cable to prevent kinks and allow one-handed use, along with bidirectional polarity indicators—red for positive and green for negative—for safe and accurate readings.
Specifications
Voltage range: 3V to 48V
Cable length: 70.1 in (5.84 ft) coiled cable
Display type: LED digital display
Polarity indicator: Red light for positive, Green light for negative
Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.