--- product_id: 629703349 title: "Sumjig Pack-1 Car LED Digital Display Circuit Test Pen, DC 3V/6V/12V/24V Voltage Continuity Test for Wires Fuse, Multi-Function Induction Tester with 5.9Ft Spring Wire, Universal for Cars (Red)" brand: "sumjig" price: "78 zł" currency: PLN in_stock: false reviews_count: 1 url: https://www.desertcart.pl/products/629703349-sumjig-pack-1-car-led-digital-display-circuit-test-pen store_origin: PL region: Poland --- # 5.9ft retractable spring wire LED digital voltage & polarity display DC 3V/6V/12V/24V voltage range Sumjig Pack-1 Car LED Digital Display Circuit Test Pen, DC 3V/6V/12V/24V Voltage Continuity Test for Wires Fuse, Multi-Function Induction Tester with 5.9Ft Spring Wire, Universal for Cars (Red) **Brand:** sumjig **Price:** 78 zł **Availability:** ❌ Out of Stock ## Summary > ⚡ Drive Smarter: See Every Volt, Test Every Wire, Own the Road! ## Quick Answers - **What is this?** Sumjig Pack-1 Car LED Digital Display Circuit Test Pen, DC 3V/6V/12V/24V Voltage Continuity Test for Wires Fuse, Multi-Function Induction Tester with 5.9Ft Spring Wire, Universal for Cars (Red) by sumjig - **How much does it cost?** 78 zł with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/629703349-sumjig-pack-1-car-led-digital-display-circuit-test-pen) ## 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 Safety Design:** ABS high-hardness shell and spring-protected wire ensure long-lasting insulation and user safety. - • **Precision Voltage Insight:** Instantly read exact voltage levels with a crisp LED digital display for flawless diagnostics. - • **Extended Reach Flexibility:** 5.9ft spring wire stretches to access tight, hard-to-reach automotive circuits effortlessly. - • **Polarity & Continuity Clarity:** Dual-color LED indicators simplify positive/negative polarity and continuity testing in one tool. - • **Universal Automotive Compatibility:** Supports DC 3V to 24V systems, perfect for fuses, generators, and all car circuit troubleshooting. ## Overview The Sumjig Pack-1 Car LED Digital Display Circuit Test Pen is a versatile, durable automotive tester featuring a clear LED voltage readout, dual-color polarity indicators, and a flexible 5.9ft spring wire. Designed for DC 3V to 24V systems, it ensures precise, safe diagnostics for fuses, wires, and circuits—empowering professionals to troubleshoot with confidence and speed. ## Description Sumjig Pack-1 Car LED Digital Display Circuit Test Pen, DC 3V/6V/12V/24V Voltage Continuity Test for Wires Fuse, Multi-function Induction Tester with 5.9Ft Spring Wire, Universal for Cars (Red) Review: Works great - Really like the built in volt meter and polarity light ## 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 DC 3V/6V/12V/24V voltage test range, the length of the pen body is 7.48 inches, the retractable spring wire is 23.6" in normal state, and can be stretched to 5.9Ft, enough for you Use. The long probe ensures you can reach tight places with greater 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 | |---------------|-------| | ASIN | B0CZ68FK41 | | Best Sellers Rank | #1,105,070 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,084 in Circuit Testers | | Brand | Sumjig | | Color | Red | | Customer Reviews | 4.6 4.6 out of 5 stars (3) | | Date First Available | May 19, 2024 | | Item Weight | 1 ounces | | Item model number | JIGJCQ1000-1PC | | Manufacturer | Sumjig | | Manufacturer Part Number | JIGMPN16 | | Measurement Type | Voltmeter | | Package Dimensions | 0.12 x 0.08 x 0.04 inches | | Power Source | Battery Powered | | UPC | 727903623371 | ## Product Details - **Brand:** Sumjig - **Color:** Red - **Measurement Type:** Voltmeter - **Power Source:** Battery Powered - **UPC:** 727903623371 ## Images ![Sumjig Pack-1 Car LED Digital Display Circuit Test Pen, DC 3V/6V/12V/24V Voltage Continuity Test for Wires Fuse, Multi-Function Induction Tester with 5.9Ft Spring Wire, Universal for Cars (Red) - Image 1](https://m.media-amazon.com/images/I/61aNJ58NXGL.jpg) ![Sumjig Pack-1 Car LED Digital Display Circuit Test Pen, DC 3V/6V/12V/24V Voltage Continuity Test for Wires Fuse, Multi-Function Induction Tester with 5.9Ft Spring Wire, Universal for Cars (Red) - Image 2](https://m.media-amazon.com/images/I/61xVc2p5XjL.jpg) ![Sumjig Pack-1 Car LED Digital Display Circuit Test Pen, DC 3V/6V/12V/24V Voltage Continuity Test for Wires Fuse, Multi-Function Induction Tester with 5.9Ft Spring Wire, Universal for Cars (Red) - Image 3](https://m.media-amazon.com/images/I/71INMtNGXrL.jpg) ![Sumjig Pack-1 Car LED Digital Display Circuit Test Pen, DC 3V/6V/12V/24V Voltage Continuity Test for Wires Fuse, Multi-Function Induction Tester with 5.9Ft Spring Wire, Universal for Cars (Red) - Image 4](https://m.media-amazon.com/images/I/71WsG6fFpbL.jpg) ![Sumjig Pack-1 Car LED Digital Display Circuit Test Pen, DC 3V/6V/12V/24V Voltage Continuity Test for Wires Fuse, Multi-Function Induction Tester with 5.9Ft Spring Wire, Universal for Cars (Red) - Image 5](https://m.media-amazon.com/images/I/71dpOBxeYoL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great *by B***S on October 7, 2025* Really like the built in volt meter and polarity light ## Frequently Bought Together - Sumjig Pack-1 Car LED Digital Display Circuit Test Pen, DC 3V/6V/12V/24V Voltage Continuity Test for Wires Fuse, Multi-Function Induction Tester with 5.9Ft Spring Wire, Universal for Cars (Red) - Voltage Continuity & Current Tester - 6-12 V DC - 24 V AC - Heavy Duty - 54" Cord - Indicator Light - Electrical Tester --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/629703349-sumjig-pack-1-car-led-digital-display-circuit-test-pen](https://www.desertcart.pl/products/629703349-sumjig-pack-1-car-led-digital-display-circuit-test-pen) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-10*