---
product_id: 596298235
title: "Heavy Duty 3-72V Backlit Digital LCD Circuit Tester, Automotive Test Light with 140 Inch Extended Wire and 2 Polarity Indicate LED Lights, Car Truck Low DC Voltage & Light Tester with Stainless Probe"
brand: "jastind"
price: "41915 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/596298235-heavy-duty-3-72v-backlit-digital-lcd-circuit-tester-automotive
store_origin: HU
region: Hungary
---

# 3-72V wide voltage range 140-inch extended PU spring wire ±0.2V high accuracy digital readout Heavy Duty 3-72V Backlit Digital LCD Circuit Tester, Automotive Test Light with 140 Inch Extended Wire and 2 Polarity Indicate LED Lights, Car Truck Low DC Voltage & Light Tester with Stainless Probe

**Brand:** jastind
**Price:** 41915 Ft
**Availability:** ✅ In Stock

## Summary

> 🔧 Power up your diagnostics with precision and style!

## Quick Answers

- **What is this?** Heavy Duty 3-72V Backlit Digital LCD Circuit Tester, Automotive Test Light with 140 Inch Extended Wire and 2 Polarity Indicate LED Lights, Car Truck Low DC Voltage & Light Tester with Stainless Probe by jastind
- **How much does it cost?** 41915 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/596298235-heavy-duty-3-72v-backlit-digital-lcd-circuit-tester-automotive)

## Best For

- jastind enthusiasts

## Why This Product

- Trusted jastind brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Handling:** Extra-long 140-inch PU spring wire and large alligator clip enable one-hand operation and flexible reach.
- • **Built to Last & Safe:** Durable stainless steel probe with anti-lost rubber tip protects you and your tool on every job.
- • **Polarity Made Simple:** Dual-color LED indicators instantly reveal voltage polarity, eliminating guesswork.
- • **Universal Compatibility:** Tests 3-72V DC circuits—perfect for cars, trucks, motorcycles, boats, and more.
- • **Precision Voltage Insight:** Crystal-clear backlit LCD with 0.1V resolution ensures you never miss a detail, day or night.

## Overview

The JASTIND Heavy Duty 3-72V Backlit Digital LCD Circuit Tester is a professional-grade automotive tool designed for accurate low DC voltage testing across a wide range of vehicles and equipment. Featuring a sharp stainless steel probe, dual LED polarity indicators, and a highly visible backlit digital display with ±0.2V accuracy, it offers reliable diagnostics without batteries. Its 140-inch flexible PU spring wire and large alligator clip provide convenience and durability, making it an essential tool for both professional mechanics and savvy DIYers.

## Description

JASTIND DC 3-72V heavy duty test light is a premium automotive tool, ideal for checking auto circuits, fuses, switches and wiring on automobiles, trailers, boats, motorcycles, and other low DC voltage systems. Why choose us ? Digital display for accurate voltage readouts. Dual color indicate lights display circuits polarity. 3 -72V tester for DC 6/12/24/48/60V system.  Display module is powered by circuits to be tested, no battery required. Maximum extended length 140" PU spring test lead longer than others.  Large Alligator clamp for one-hand operation. Sharp stainless steel pointed probe for piercing wire insulation. Anti-lost Rubber probe cover protector. SPECS Voltage testing range: 3-72V. Resolution: 0.1V Accuracy: ±1%+2digitals Working environment: 14-122℉(-10-50℃); Relative humidity<80%

## Features

- 【WIDE TESTING RANGE & VOLTAGE POLARITY TESTING】3-72v low volt circuit test light, designed for checking various vehicles’ electrical circuits, such as automotive headlights, taillights, faulty sockets, fuse, also for other 3-72V DC wiring and circuits. This is also a bidirectional voltage tester with 2 color LED lights for volt polarity indicating, you can attach the alligator clamp either to ground or positive. This is really A must have tool no matter for business or household use.
- 【COMPUTER SAFE & BACKLIGHT DIGITAL DISPLAY PART】Heavy Duty circuit light tester with highly clear LCD digital blue backlight display screen, resolution to .1V voltage reading with high accuracy to ±0.2V, clear&visible digital readouts for day and night. JASTIND test light draws much less current than the incandescent lamp, which is less likely to damage sensitive circuits.
- 【ANTI-LOST PROBE PROTECTIVE TIP & QUALITY MADE TESTER BODY】Sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas, while along with an integrated design anti-lost protective rubber tip, make sure no stab and wound and won't be lost whenever you go. Professional automotive circuit tester with premium acetate fiber body, allows for more toughness and durability.
- 【EXTENDED PU SPRING & LARGE ALLIGATOR CLIP】High quality 140 inch long enough PU spring wire offers more flexibility, lighter and more durable than normal cable wires, heat-insulation and oil resistance for daily use. Attach with large size alligator clip for easy one hand operation, also for convenient use and storage.
- 【100% Quality Guarantee】If you are looking for a durable circuit testing tool, this one is for you. We always stand behind our products, if you have any questions or concerns, just please feel free to contact us and you will get our best support surely, click "Add to Cart" with confidence today.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | JASTIND |
| Power Source | Battery Powered |
| Style | Modern |
| Colour | Blue |
| Item Weight | 140 Grams |
| Min. Operating Voltage | 3 Volts |
| Upper Temperature Rating | 122 Degrees Fahrenheit |
| Measurement Type | Digital Voltmeter |
| Maximum Operating Voltage | 72 Volts |
| UPC | 649226709139 |
| Manufacturer | JASTIND |
| Country of Origin | USA |
| Model number | JTCVT02A |
| Number of Memory Sticks | 1 |
| Item Weight | 140 g |
| Package Dimensions | 27.2 x 6.81 x 4.7 cm; 140 g |
| Item model number | JTCVT02A |
| Included Components | Automotive Circuit Tester |
| Are batteries included? | No |

## Product Details

- **Brand:** JASTIND
- **Power Source:** Battery Powered
- **Style:** Modern
- **Colour:** Blue
- **Item Weight:** 140 Grams

## Images

![Heavy Duty 3-72V Backlit Digital LCD Circuit Tester, Automotive Test Light with 140 Inch Extended Wire and 2 Polarity Indicate LED Lights, Car Truck Low DC Voltage & Light Tester with Stainless Probe - Image 1](https://m.media-amazon.com/images/I/71lJcXZ1edL.jpg)
![Heavy Duty 3-72V Backlit Digital LCD Circuit Tester, Automotive Test Light with 140 Inch Extended Wire and 2 Polarity Indicate LED Lights, Car Truck Low DC Voltage & Light Tester with Stainless Probe - Image 2](https://m.media-amazon.com/images/I/81TwpZ4zJ0L.jpg)
![Heavy Duty 3-72V Backlit Digital LCD Circuit Tester, Automotive Test Light with 140 Inch Extended Wire and 2 Polarity Indicate LED Lights, Car Truck Low DC Voltage & Light Tester with Stainless Probe - Image 3](https://m.media-amazon.com/images/I/71c12Kz6DQL.jpg)
![Heavy Duty 3-72V Backlit Digital LCD Circuit Tester, Automotive Test Light with 140 Inch Extended Wire and 2 Polarity Indicate LED Lights, Car Truck Low DC Voltage & Light Tester with Stainless Probe - Image 4](https://m.media-amazon.com/images/I/71ciXa4zJAL.jpg)
![Heavy Duty 3-72V Backlit Digital LCD Circuit Tester, Automotive Test Light with 140 Inch Extended Wire and 2 Polarity Indicate LED Lights, Car Truck Low DC Voltage & Light Tester with Stainless Probe - Image 5](https://m.media-amazon.com/images/I/81Y8JmQx4zL.jpg)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-03-20*