---
product_id: 648359010
title: "WINAMOO Automotive Test Light with 3-48V LED Digital Voltage Display, Auto Circuit Tester with Voltmeter & Dual Color Polarity Indicate, Electric Test Pen w/Stainless Probe for Car/Truck/SUV Checker"
brand: "winamoo"
price: "฿1039"
currency: THB
in_stock: true
reviews_count: 11
category: "Winamoo"
url: https://www.desertcart.co.th/products/648359010-winamoo-automotive-test-light-with-3-48v-led-digital-voltage
store_origin: TH
region: Thailand
---

# 96-inch flexible spring wire 3-48V voltage range Bright LED digital display WINAMOO Automotive Test Light with 3-48V LED Digital Voltage Display, Auto Circuit Tester with Voltmeter & Dual Color Polarity Indicate, Electric Test Pen w/Stainless Probe for Car/Truck/SUV Checker

**Brand:** winamoo
**Price:** ฿1039
**Availability:** ✅ In Stock

## Summary

> ⚡ Diagnose Like a Pro, Drive with Confidence!

## Quick Answers

- **What is this?** WINAMOO Automotive Test Light with 3-48V LED Digital Voltage Display, Auto Circuit Tester with Voltmeter & Dual Color Polarity Indicate, Electric Test Pen w/Stainless Probe for Car/Truck/SUV Checker by winamoo
- **How much does it cost?** ฿1039 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/648359010-winamoo-automotive-test-light-with-3-48v-led-digital-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

- • **Smart Storage & Safety:** Integrated anti-lost protective sleeve keeps your probe secure and injury-free, so you never lose your edge on the job.
- • **Durable & Safe by Design:** Ergonomic ABS body with shatter-proof transparency and a sharp stainless steel probe for piercing insulation with ease.
- • **Extended Reach, Effortless Access:** 96-inch spring wire paired with a large alligator clip for seamless one-handed operation in tight engine bays.
- • **Versatile Automotive Compatibility:** Tests 3V-48V systems including cars, trucks, SUVs, boats, and alternators—your all-in-one circuit detective.
- • **Pinpoint Precision Voltage Readings:** 0.1V resolution with dual-color polarity LEDs for instant, foolproof diagnostics.

## Overview

The WINAMOO Automotive Test Light is a professional-grade circuit tester featuring a bright LED digital display with 0.1V resolution, dual-color polarity indicators, and a sharp stainless steel probe. Designed for 3-48V automotive systems, it includes a 96-inch spring wire and large alligator clip for flexible, one-handed testing. Built with durable ABS housing and an anti-lost protective sleeve, it ensures safe, precise diagnostics for cars, trucks, SUVs, and boats.

## Description

WINAMOO Automotive Test Light with 3-48V LED Digital Voltage Display, Auto Circuit Tester with Voltmeter & Dual Color Polarity Indicate, Electric Test Pen w/Stainless Probe for Car/Truck/SUV Checker: desertcart.com: Tools & Home Improvement

Review: High quality, cheap cost. Get this one. Worth it! - This circuit tester works great and is really easy to use. The lights clearly show positive and negative polarity, which makes checking things quick and simple. I’ve used it to test wiring and battery voltage on my vehicles and it’s been very handy. The long spring wire and big alligator clip make it easy to reach around the engine bay, and the sharp probe helps get into tight spots. Solid little tool to have around if you work on your own vehicles.
Review: Great Tool! - A very simple tool that picks up on voltage quite easily. The length of the wire is well sized for most cases. My only complaint is that the rubber warp on the handles of the ground prong managed to work their way off rather quickly, but that didn't affect the functionality of the tool. Definitely worth the price point and has helped me diagnose many automotive electrical problems.

## Features

- 【PRECISE READOUTS & CLEAR DIGITAL DISPLAY】Bright LED display shows highly clear readings in any lighting condition, 0.1V resolution gives you reliable indication and shows you the voltage number easily & quickly. Bidirectional light emitting diode on the circuit board for easy battery load testing, red light indicates positive polarity, green light indicates negative polarity.
- 【QUICK DETECTION & EXTENSIVE USE】WINAMOO auto circuit tester helps you to quickly test car battery voltage and diagnoses issues in 3V-48V systems, including alternator tester functionality of car/truck/SUV/boat charging systems. Also to inspect circuit tester integrity of headlights, taillights, turn signal circuits, faulty sockets, fuse connections and more.
- 【SHARP PROBE & ANTI-LOST PROTECTIVE SLEEVE】Sharp stainless steel probe for piercing insulation with ease, also for hard to reach tight areas. Integrated anti-lost protective sleeve to secure the probe during storage and safeguarding against damage, making sure no stab and wound and won't be lost wherever you go.
- 【EXTENDED SPRING WIRE & LARGE ALLIGATOR CLIP】High quality 96 inch long enough spring wire increases flexibility to access across broad areas when testing. Attaching with large crocodile clip for easy single-handed operation, which is boosting the efficiency for car battery capacity checks and beyond.
- 【ULTRA-DURABLE & SAFE CONSTRUCTION】This voltage tester pen adopts ergonomic handle for comfort and safe grip. Constructed with premium ABS body with higher transparency, shatter-proof and durable. Ensuring reliable battery meter and circuit analysis for safe operation, making them an essential tool in electrical troubleshooting.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D8PXNPYH |
| Best Sellers Rank | #540 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Circuit Testers |
| Brand Name | WINAMOO |
| Color | black |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,380) |
| Included Components | Automotive Test Light |
| Item Dimensions | 11.1 x 4.2 x 1.4 inches |
| Item Weight | 200 Grams |
| Manufacturer | WINAMOO |
| Maximum Operating Voltage | 48 Volts |
| Measurement Type | Voltmeter |
| Minimum Operating Voltage | 3 Volts |
| Part Number | WITL111A |
| Power Source | Corded Electric |
| Specification Met | CE, UL |
| UPC | 633337513730 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** WINAMOO
- **Color:** black
- **Item Weight:** 200 Grams
- **Item dimensions L x W x H:** 11.1 x 4.2 x 1.4 inches
- **Power Source:** Corded Electric

## Images

![WINAMOO Automotive Test Light with 3-48V LED Digital Voltage Display, Auto Circuit Tester with Voltmeter & Dual Color Polarity Indicate, Electric Test Pen w/Stainless Probe for Car/Truck/SUV Checker - Image 1](https://m.media-amazon.com/images/I/71s4Mt5RIVL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ High quality, cheap cost. Get this one. Worth it!
*by L***4 on March 13, 2026*

This circuit tester works great and is really easy to use. The lights clearly show positive and negative polarity, which makes checking things quick and simple. I’ve used it to test wiring and battery voltage on my vehicles and it’s been very handy. The long spring wire and big alligator clip make it easy to reach around the engine bay, and the sharp probe helps get into tight spots. Solid little tool to have around if you work on your own vehicles.

### ⭐⭐⭐⭐⭐ Great Tool!
*by S***. on January 30, 2026*

A very simple tool that picks up on voltage quite easily. The length of the wire is well sized for most cases. My only complaint is that the rubber warp on the handles of the ground prong managed to work their way off rather quickly, but that didn't affect the functionality of the tool. Definitely worth the price point and has helped me diagnose many automotive electrical problems.

### ⭐⭐⭐⭐⭐ Lot of good uses for a good price.
*by B***. on January 31, 2026*

Great basic tester just to check for voltage, works great to tell you the voltage of a battery (even 9V batteries) , will read out voltage of a car battery standing or running, helps determian if battery or the alternator is not good .

## Frequently Bought Together

- WINAMOO Automotive Test Light with 3-48V LED Digital Voltage Display, Auto Circuit Tester with Voltmeter & Dual Color Polarity Indicate, Electric Test Pen w/Stainless Probe for Car/Truck/SUV Checker
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**Shop now:** [https://www.desertcart.co.th/products/648359010-winamoo-automotive-test-light-with-3-48v-led-digital-voltage](https://www.desertcart.co.th/products/648359010-winamoo-automotive-test-light-with-3-48v-led-digital-voltage)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-26*