--- product_id: 544052367 title: "NF Brake Fluid Tester Pen Brake Fluid Test Strips, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid" brand: "aicevoos" price: "VT5590" currency: VUV in_stock: true reviews_count: 13 category: "Aicevoos" url: https://www.desertcart.vu/products/544052367-nf-brake-fluid-tester-pen-brake-fluid-test-strips-calibrated store_origin: VU region: Vanuatu --- # 3-color backlight for clear, day/night readability Audible buzzer alerts for instant feedback Fast detection under 10 seconds NF Brake Fluid Tester Pen Brake Fluid Test Strips, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid **Brand:** aicevoos **Price:** VT5590 **Availability:** ✅ In Stock ## Summary > 🚗 Don’t get caught off guard—test your brake fluid like a pro! ## Quick Answers - **What is this?** NF Brake Fluid Tester Pen Brake Fluid Test Strips, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid by aicevoos - **How much does it cost?** VT5590 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/544052367-nf-brake-fluid-tester-pen-brake-fluid-test-strips-calibrated) ## Best For - aicevoos enthusiasts ## Why This Product - Trusted aicevoos brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Travel-Ready:** Slim, ergonomic design fits in your hand and glovebox—take it anywhere with confidence. - • **Instant, Clear Results:** High-sensitivity probe with audible alarms and tri-color backlight ensures no guesswork. - • **Prevent Costly Repairs:** Detect water contamination early to avoid unnecessary brake fluid flushes and maintain peak braking performance. - • **Universal Compatibility:** Calibrated for DOT3, DOT4, DOT5.1 & synthetic brake fluids—one tester for all your vehicles. - • **User-Friendly Operation:** Simple control panel with intuitive color-coded alerts—professional-grade testing made effortless. ## Overview The Aicevoos NF Brake Fluid Tester Pen is a precision tool designed for quick, accurate testing of DOT3, DOT4, DOT5.1, and synthetic brake fluids. Featuring a high-sensitivity probe, audible buzzer, and tri-color backlight, it delivers instant, easy-to-read results to help you maintain optimal brake performance and avoid costly repairs. Compact and travel-friendly, it’s perfect for personal use, workshops, and dealerships alike. ## Description Product description ## Features - WIDE RANGE OF APPLICATIONS: The automotive brake fluid tester is a universal device for most vehicles. It can check the condition of DOT-3, DOT-4, DOT-5.1 brake fluids as well as most synthetic brake fluids. It is extremely easy for personal use and is widely used for private workshops, repair shops and car dealerships. - EASY TO USE: The test procedure is fast and efficient and has a simple control panel. The backlight lights green at 0%-2% data (brake fluid is ready to use). At 2%-3%, the backlight turns yellow and the buzzer sounds slowly (brake fluid needs to be changed). The backlight is red and the buzzer sounds quickly when the data is greater than 3% (brake fluid needs to be changed immediately). - EASY READING: high-sensitivity probe + audible alarm, instant display of results, large screen with three-color backlight, easy to read the measurement results whether day or night. - FAST DETECTION: the detection process is fast and efficient, the control panel is simple and easy to use. Can quickly determine whether the brake fluid needs to be replaced after the background light reminder. - EASY TO CARRY: the case is well structured, compact and fits well in your hand. You can take it with you when traveling without taking up too much space. ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 4.5 out of 5 stars 1,166 Reviews | ## Images ![NF Brake Fluid Tester Pen Brake Fluid Test Strips, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid - Image 1](https://m.media-amazon.com/images/I/51S7MR1oKPL.jpg) ![NF Brake Fluid Tester Pen Brake Fluid Test Strips, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid - Image 2](https://m.media-amazon.com/images/I/71CnPGlCnoL.jpg) ![NF Brake Fluid Tester Pen Brake Fluid Test Strips, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid - Image 3](https://m.media-amazon.com/images/I/71ONsdq484L.jpg) ![NF Brake Fluid Tester Pen Brake Fluid Test Strips, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid - Image 4](https://m.media-amazon.com/images/I/71xS4bycMrL.jpg) ![NF Brake Fluid Tester Pen Brake Fluid Test Strips, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid - Image 5](https://m.media-amazon.com/images/I/61wQ99hLCeL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by O***R on September 15, 2025* ### ⭐⭐⭐⭐⭐ Review *by T***M on April 28, 2026* ### ⭐⭐⭐⭐⭐ Review *by D***D on March 3, 2026* --- ## 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.vu/products/544052367-nf-brake-fluid-tester-pen-brake-fluid-test-strips-calibrated](https://www.desertcart.vu/products/544052367-nf-brake-fluid-tester-pen-brake-fluid-test-strips-calibrated) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-06-04*