---
product_id: 481730839
title: "Brake Fluid Liquid Tester,Hydraulic Fluid Liquid Oil Moisture Analyzer with 5 Led Indicators,DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen for Check Engine Car Accessories"
brand: "patonu"
price: "₩22158"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/481730839-brake-fluid-liquid-tester-hydraulic-fluid-liquid-oil-moisture-analyzer
store_origin: KR
region: South Korea
---

# 1.5V Battery Required Compatible with DOT-3, DOT-4, DOT-5.1 Results in Seconds Brake Fluid Liquid Tester,Hydraulic Fluid Liquid Oil Moisture Analyzer with 5 Led Indicators,DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen for Check Engine Car Accessories

**Brand:** patonu
**Price:** ₩22158
**Availability:** ✅ In Stock

## Summary

> 🚗 Drive Safe, Test Smart!

## Quick Answers

- **What is this?** Brake Fluid Liquid Tester,Hydraulic Fluid Liquid Oil Moisture Analyzer with 5 Led Indicators,DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen for Check Engine Car Accessories by patonu
- **How much does it cost?** ₩22158 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/481730839-brake-fluid-liquid-tester-hydraulic-fluid-liquid-oil-moisture-analyzer)

## Best For

- patonu enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Ensure your brake fluid is in top condition to avoid accidents.
- • **Instant Results:** Get accurate readings within seconds with a 1% precision.
- • **Power-Saving Mode:** Automatic shutdown after 20 seconds to conserve battery life.
- • **User-Friendly Design:** Compact and easy to operate, perfect for on-the-go checks.
- • **Versatile Compatibility:** Works with most vehicles, ideal for personal and professional use.

## Overview

The Patonu Brake Fluid Liquid Tester is a high-quality, portable device designed to quickly analyze the moisture content in brake fluids (DOT-3, DOT-4, DOT-5.1). With a nickel-plated metal probe for durability and a user-friendly design, it provides accurate results in seconds, ensuring your vehicle's safety on the road.

## Description

Brake Fluid Liquid Tester,Hydraulic Fluid Liquid Oil Moisture Analyzer with 5 Led Indicators,DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen for Check Engine Car Accessories

## Features

- High Quality Performance: The brake fluid detector uses nickel plated metal probe, oil and oxidation resistant, not easy to corrosion. The case is matte black plastic for better skid resistance and good body texture. Metrics are accurate to 1% and results are received within seconds. Help you understand the brake fluid more clearly.
- Safe Driving: This product can quickly check the health condition of your car brake fluid and remind you to change the brake fluid when necessary to avoid traffic accidents, so that you are more comfortable and safer.
- Easy Operation: Brake fluid detector is easy to use, and small size easy to carry. Press the button, insert the test pen, it only takes a few seconds to know the result through the LED, in order to save power, this test pen has automatic shutdown function. It will automatically turn off the power after 20 seconds each time to save power.
- Wide Application Range: can be used in most cars. It is suitable for detecting the moisture content in DOT-3, DOT-4, DOT-5.1 brake fluid. It is very convenient for personal use and widely used in individual workshops, repair shops and dealer workshops.
- Service Guarantee: The brake fluid detector requires 1 LR03 AAA 1.5V battery. Our package does not include batteries, please buy batteries at local market. We offer a one-year warranty. If you cannot confirm its compatibility, or have any questions, please feel free to contact us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Patonu |
| Brand | Patonu |
| Item Weight | 0.634 ounces |
| Package Dimensions | 5.98 x 1.34 x 0.75 inches |
| Manufacturer Part Number | Patonu-TST111 |

## Images

![Brake Fluid Liquid Tester,Hydraulic Fluid Liquid Oil Moisture Analyzer with 5 Led Indicators,DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen for Check Engine Car Accessories - Image 1](https://m.media-amazon.com/images/I/61v4DKCZ4EL.jpg)

## Frequently Bought Together

- Brake Fluid Liquid Tester,Hydraulic Fluid Liquid Oil Moisture Analyzer with 5 Led Indicators,DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen for Check Engine Car Accessories
- Prestone AS401 DOT 3 Synthetic Brake Fluid - 32 oz.

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**Shop now:** [https://www.desertcart.kr/products/481730839-brake-fluid-liquid-tester-hydraulic-fluid-liquid-oil-moisture-analyzer](https://www.desertcart.kr/products/481730839-brake-fluid-liquid-tester-hydraulic-fluid-liquid-oil-moisture-analyzer)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-24*