---
product_id: 578128631
title: "Test Light Automotive 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker"
brand: "winamoo"
price: "111 Lei"
currency: RON
in_stock: true
reviews_count: 11
category: "Winamoo"
url: https://www.desertcart.ro/products/578128631-test-light-automotive-5-90v-digital-led-circuit-tester-voltage
store_origin: RO
region: Romania
---

# 110-inch extended spring wire 5-90V range Bidirectional polarity LED Test Light Automotive 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker

**Brand:** winamoo
**Price:** 111 Lei
**Availability:** ✅ In Stock

## Summary

> ⚡ Test Smarter, Not Harder: The Ultimate Digital Circuit Sidekick!

## Quick Answers

- **What is this?** Test Light Automotive 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker by winamoo
- **How much does it cost?** 111 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/578128631-test-light-automotive-5-90v-digital-led-circuit-tester-voltage)

## Best For

- winamoo enthusiasts

## Why This Product

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

## Key Features

- • **Safety-First Design:** Built-in circuit chip with insulation cover ensures burn-resistant, shock-proof testing every time.
- • **Versatile Automotive Use:** Sharp probe pierces wires and accesses narrow areas—perfect for fuses, relays, headlights, and more.
- • **Precision Voltage Readout:** Crystal-clear 0.1V resolution with ±0.2V accuracy for flawless diagnostics.
- • **Instant Polarity Detection:** Bidirectional LED lights instantly show positive (red) or negative (green) polarity—no guesswork needed.
- • **Extended Reach & Flexibility:** 110-inch anti-bend spring wire with large alligator clip for effortless one-hand operation in tight spots.

## Overview

The WINAMOO Test Light Automotive Digital LED Circuit Tester offers a 5-90V measurement range with ultra-clear digital readouts and ±0.2V accuracy. Featuring a 110-inch extended spring wire and large alligator clip, it provides flexible, one-handed operation. Its bidirectional LED polarity indicators simplify diagnostics, while a built-in circuit chip and insulation cover ensure safe, durable use. Ideal for testing automotive fuses, relays, and electrical circuits with precision and ease.

## Description

Buy WINAMOO Test Light Automotive 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker: Electrical System Tools - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: good product - works good
Review: A must have gem! - There are many ways to test automotive fuses, connectors, and wires, but a tool like this is the easiest that I know. I have been helping someone out with their car and had to check all of the above, plus relays. This little gem made the job go much faster. What a bargain! It works flawlessly!

## Features

- 【Clear Digital Display & Readouts】: WINAMOO automotive circuit tester with a highly clear LED digital display for voltage readings, 0.1V resolution with ±0.2V accuracy gives you clearly visible digital readouts. Compared with LCD lights, this light tester is not affected by the brightness of light, so that be clearly read in daytime or dark areas.
- 【Extended Spring Wire with Alligator Clip】: Maximum extended to 110 inch long enough spring wire increases flexibility and a wide measuring area when testing, anti-bending design of the tail wire makes no worry about bad contact of the line. Along with large size alligator clip for easy one-hand operation.
- 【Bidirectional indicating light】: There is a bidirectional light emitting diode on the circuit board for polarity indication, red light indicates positive polarity & green light indicates negative polarity. You can attach the alligator clamp either to negative or positive ground, while using the probe to touch the other side.
- 【Computer Save】: This premium car fuse tester has a built-in circuit board chip, safer and more durable than traditional test lights. Equipped with insulation protective cover, it provides better grip and insulation protection against electric shock. This circuit board with line protection function, which is safer and more burn-resistant.
- 【Widely Use】: WINAMOO auto electric tester pen is ideal for checking various vehicles electrical circuits. Sharp long probe is used to pierce wires and reach into narrow areas, quickly check automotive headlights, taillights, turn signal circuits, faulty sockets, connections, fuses, broken wires and more, suitable for your daily use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CJFH7Y4X |
| Best Sellers Rank | #5,783 in Automotive ( See Top 100 in Automotive ) #18 in Electrical System Tools |
| Brand | WINAMOO |
| Color | black |
| Date First Available | September 20, 2023 |
| Item Weight | 7.1 ounces |
| Item dimensions L x W x H | 17.72 x 17.72 x 74.8 inches |
| Item model number | WITL109A3716 |
| Manufacturer | WINAMOO |
| Maximum Operating Voltage | 90 Volts |
| Measurement Type | Voltmeter |
| Min. Operating Voltage | 5 Volts |
| Power Source | Battery Powered |
| Product Dimensions | 17.72 x 17.72 x 74.8 inches |
| Specification Met | Ul 61010-1, Ce Marked |
| UPC | 633337513716 |

## Product Details

- **Brand:** WINAMOO
- **Color:** black
- **Item Weight:** 200 Grams
- **Item dimensions L x W x H:** 17.72 x 17.72 x 74.8 inches
- **Power Source:** Battery Powered

## Images

![Test Light Automotive 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker - Image 1](https://m.media-amazon.com/images/I/7136eQDqXUL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ good product
*by K***H on January 21, 2026*

works good

### ⭐⭐⭐⭐⭐ A must have gem!
*by S***N on December 8, 2025*

There are many ways to test automotive fuses, connectors, and wires, but a tool like this is the easiest that I know. I have been helping someone out with their car and had to check all of the above, plus relays. This little gem made the job go much faster. What a bargain! It works flawlessly!

### ⭐⭐⭐⭐⭐ Works great. No complaints
*by H***. on December 25, 2025*

Works great. Exactly what I need and does exactly what it is suppose to.

## Frequently Bought Together

- WINAMOO Test Light Automotive 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-02*