---
product_id: 644978137
title: "Pack-1 Car LED Digital Display Circuit Test Pen, 3V-70V Voltage Continuity Test for Wires Fuse Socket, Multi-Function Induction Long Probe with 3.9Ft Wiring Harness, Universal for Car (Black)"
brand: "sumjig"
price: "HK$14"
currency: HKD
in_stock: false
url: https://www.desertcart.hk/products/644978137-pack-1-car-led-digital-display-circuit-test-pen-3v
store_origin: HK
region: Hong Kong
---

# LED digital display for clear readings 3.9ft flexible wiring harness 3V-70V voltage range Pack-1 Car LED Digital Display Circuit Test Pen, 3V-70V Voltage Continuity Test for Wires Fuse Socket, Multi-Function Induction Long Probe with 3.9Ft Wiring Harness, Universal for Car (Black)

**Brand:** sumjig
**Price:** HK$14
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Power up your diagnostics with precision and reach!

## Quick Answers

- **What is this?** Pack-1 Car LED Digital Display Circuit Test Pen, 3V-70V Voltage Continuity Test for Wires Fuse Socket, Multi-Function Induction Long Probe with 3.9Ft Wiring Harness, Universal for Car (Black) by sumjig
- **How much does it cost?** HK$14 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/644978137-pack-1-car-led-digital-display-circuit-test-pen-3v)

## Best For

- sumjig enthusiasts

## Why This Product

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

## Key Features

- • **Durable & Safe Build:** ABS high-hardness shell ensures long-lasting insulation and protection during every use.
- • **Drive with Confidence:** Detect and fix circuit faults fast to boost your car’s reliability and safety on every journey.
- • **Multi-Function Testing:** Seamlessly test voltage, continuity, polarity, and fuses—your all-in-one automotive circuit companion.
- • **Precision Voltage Detection:** Instantly read 3V-70V with a bright LED display for flawless diagnostics.
- • **Extended Reach & Flexibility:** 3.9ft thick, bendable wiring harness with spring protection for safe, hassle-free testing in tight spots.

## Overview

The Sumjig Pack-1 Car LED Digital Display Circuit Test Pen offers a versatile 3V-70V voltage range with a clear LED readout, a 3.9ft flexible wiring harness protected by a spring, and a durable ABS shell. Designed for automotive circuit testing, it enables accurate voltage, continuity, polarity, and fuse checks, ensuring safer and more reliable vehicle maintenance.

## Description

Sumjig Pack-1 Car LED Digital Display Circuit Test Pen, 3V-70V Voltage Continuity Test for Wires Fuse Socket, Multi-function Induction Long Probe with 3.9Ft Wiring Harness, Universal for Car (Black)

## Features

- LED Digital Display: This detection pen is designed with an LED digital voltage display, which allows you to clearly see the detection value. In the bidirectional current and voltage test mode, you can ground the alligator clip, clamp the negative pole with the clip, test the positive pole with the tip of the pen, and turn on the green light. Hold the positive pole with the clip, and measure the negative pole with the tip of the pen, and a red light will appear.
- Excellent Material Selection: This circuit detection pen adopts ABS high-hardness shell, durable, good insulation performance. The thickened test wire is used, which has good flexibility and can be bent. The wire mouth is protected by a spring, which will not cause danger due to the disconnection of the wire skin over time.
- Product Details: You will receive 1 x digital display test pen with a measuring range of 3V-70V, a pen body length of 4 inches, a probe length of 3 inches, and test leads are 3.9 feet long, which is sufficient for your use. The long probe ensures you can reach tight places with more accuracy and sensitivity.
- Ensure Safe Driving: The automobile circuit test pen is mainly used to detect parameters such as voltage, current, and resistance in automobile circuits. This device can help detect and eliminate faults in the automobile circuit system, ensure you can safely conduct circuit testing, and improve the reliability and safety of the car as a whole.
- Wide Application: This test pen can be used for automobile fuse testing, generator testing, power frequency voltage testing, circuit positive and negative polarity identification, etc. Suitable for circuit testing of most automobiles. In the maintenance of automobile circuit systems, efficient troubleshooting and safe problem solving can be achieved.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Sumjig |
| Brand | Sumjig |
| Package Dimensions | 0.3 x 0.2 x 0.1 cm; 28.35 g |
| Item model number | JIGXSB701BL-3V-70V |
| Manufacturer Part Number | JIGMPN16 |
| Item Weight | 28.3 g |

## Product Details

- **Brand:** Sumjig
- **Style:** Digital
- **Colour:** Black
- **Item weight:** 1 Ounces
- **UPC:** 727903623388

## Images

![Pack-1 Car LED Digital Display Circuit Test Pen, 3V-70V Voltage Continuity Test for Wires Fuse Socket, Multi-Function Induction Long Probe with 3.9Ft Wiring Harness, Universal for Car (Black) - Image 1](https://m.media-amazon.com/images/I/611zU4CuAEL.jpg)
![Pack-1 Car LED Digital Display Circuit Test Pen, 3V-70V Voltage Continuity Test for Wires Fuse Socket, Multi-Function Induction Long Probe with 3.9Ft Wiring Harness, Universal for Car (Black) - Image 2](https://m.media-amazon.com/images/I/718CUKX8wJL.jpg)
![Pack-1 Car LED Digital Display Circuit Test Pen, 3V-70V Voltage Continuity Test for Wires Fuse Socket, Multi-Function Induction Long Probe with 3.9Ft Wiring Harness, Universal for Car (Black) - Image 3](https://m.media-amazon.com/images/I/61SzDZP0PuL.jpg)
![Pack-1 Car LED Digital Display Circuit Test Pen, 3V-70V Voltage Continuity Test for Wires Fuse Socket, Multi-Function Induction Long Probe with 3.9Ft Wiring Harness, Universal for Car (Black) - Image 4](https://m.media-amazon.com/images/I/71mTmvep6ML.jpg)
![Pack-1 Car LED Digital Display Circuit Test Pen, 3V-70V Voltage Continuity Test for Wires Fuse Socket, Multi-Function Induction Long Probe with 3.9Ft Wiring Harness, Universal for Car (Black) - Image 5](https://m.media-amazon.com/images/I/71INMtNGXrL.jpg)

## Available Options

This product comes in different **Color, Size** options.

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**Shop now:** [https://www.desertcart.hk/products/644978137-pack-1-car-led-digital-display-circuit-test-pen-3v](https://www.desertcart.hk/products/644978137-pack-1-car-led-digital-display-circuit-test-pen-3v)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-19*