---
product_id: 549732426
title: "2pc Fiber Optic Visual Fault Locator VFL Fiber Optic Cable Tester with 2pcs Singlemode 9/125um FC Male to LC Female Adapter, Red Switch (Mode Number: VFL-50)"
brand: "fyboptwu"
price: "2635973₫"
currency: VND
in_stock: true
reviews_count: 8
category: "Fyboptwu"
url: https://www.desertcart.vn/products/549732426-2pc-fiber-optic-visual-fault-locator-vfl-fiber-optic-cable
store_origin: VN
region: Vietnam
---

# Universal 2.5mm connector fits ST, SC, FC, LC cables 650nm visible red laser for precise fault detection Aluminum body with dust-proof, non-slip design 2pc Fiber Optic Visual Fault Locator VFL Fiber Optic Cable Tester with 2pcs Singlemode 9/125um FC Male to LC Female Adapter, Red Switch (Mode Number: VFL-50)

**Brand:** fyboptwu
**Price:** 2635973₫
**Availability:** ✅ In Stock

## Summary

> 🔴 Light up your fiber faults before they light up your downtime!

## Quick Answers

- **What is this?** 2pc Fiber Optic Visual Fault Locator VFL Fiber Optic Cable Tester with 2pcs Singlemode 9/125um FC Male to LC Female Adapter, Red Switch (Mode Number: VFL-50) by fyboptwu
- **How much does it cost?** 2635973₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/549732426-2pc-fiber-optic-visual-fault-locator-vfl-fiber-optic-cable)

## Best For

- fyboptwu enthusiasts

## Why This Product

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

## Key Features

- • **Rugged & Reliable:** Durable aluminum casing with dust cover and anti-slip grip keeps your tester safe and precise on the go.
- • **Field-Tested Efficiency:** Lightweight and battery-powered design makes it the perfect companion for telecom pros and engineers on long cable runs.
- • **Universal Compatibility:** Works seamlessly with all major fiber connectors including ST, SC, FC, and LC for versatile field use.
- • **Pinpoint Fiber Faults Instantly:** Bright 650nm red laser ensures quick and accurate detection of breaks and bends.
- • **Optimize Your Network Maintenance:** Detect faults even in OTDR blind zones and perform end-to-end fiber identification with ease.

## Overview

The FYBOPTWU VFL-50 is a professional-grade fiber optic visual fault locator designed for rapid detection of fiber breaks, bends, and connectivity issues. Featuring a powerful 650nm red laser, universal 2.5mm connectors compatible with ST, SC, FC, and LC cables, and a rugged aluminum body with dust-proof and non-slip design, this battery-powered tester is optimized for field use in telecom, CATV, and optical fiber engineering. It enhances network maintenance by identifying faults even in OTDR blind zones, making it an essential tool for any fiber optic technician.

## Description

FYBOPTWU - 2pc Fiber Optic Visual Fault Locator VFL Fiber Optic Cable Tester with 2pcs Singlemode 9/125um FC Male to LC Female Adapter, Red Switch (Mode Number: VFL-50): desertcart.com: Industrial & Scientific

Review: Bright enough to locate faults easily. - Works as it should.
Review: Work smarter not harder - Use this for work. And is works great had it on a 12 mile stretch of fiber, made it easy to find the break.

## Features

- 【Fiber Optic Cable Tester 】The Fiber Optic Visual Fault Locator can detect fiber patch cord faults. [Note: Not include 2AA batteries]
- 【Functions】 The Fiber Optic Visual Fault Locator can detect fiber connectivity and locate fiber faults, such as fiber breaks or bends. In addition, it also has functions such as fault detection in the OTDR blind zone, end-to-end fiber identification, and mechanical continuous point optimization. (Package does not include battery)
- 【Advantage】The fiber optic tester is perfect for field tests.
- 【Application】2.5mm Universal Connector - the connector of the detector is compatibly designed for ST, SC, FC, LC interferes both in circle and square shape of different fiber optic cables. It can be used in telecommunication/CATV engineering and maintenance, integrated wiring construction and maintenance, optical device production and research and other optical fiber engineering.
- 【Dust-proof and Non-slip Design】The dust cover design keeps the Locator clean to protect the accuracy of the test; the aluminium body purchases a metal mesh design to increase friction and prevent it from falling out of yourhand during use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C891JTYZ |
| Best Sellers Rank | #32,563 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #68 in Network & Cable Testers |
| Brand | fyboptwu |
| Color | Red Switch |
| Date First Available | June 16, 2023 |
| Item Weight | 9.9 ounces |
| Item model number | FYBOPTWU |
| Manufacturer | fyboptwu |
| Measurement Type | Distance |
| Package Dimensions | 8.35 x 6.02 x 1.42 inches |
| Power Source | Battery Powered |
| Style | VFL-50 |

## Product Details

- **Brand:** fyboptwu
- **Color:** Red Switch
- **Item Weight:** 0.28 Kilograms
- **Power Source:** Battery Powered
- **Style:** VFL-50

## Images

![2pc Fiber Optic Visual Fault Locator VFL Fiber Optic Cable Tester with 2pcs Singlemode 9/125um FC Male to LC Female Adapter, Red Switch (Mode Number: VFL-50) - Image 1](https://m.media-amazon.com/images/I/61YNK29XPUL.jpg)
![2pc Fiber Optic Visual Fault Locator VFL Fiber Optic Cable Tester with 2pcs Singlemode 9/125um FC Male to LC Female Adapter, Red Switch (Mode Number: VFL-50) - Image 2](https://m.media-amazon.com/images/I/71AAlMnKopL.jpg)
![2pc Fiber Optic Visual Fault Locator VFL Fiber Optic Cable Tester with 2pcs Singlemode 9/125um FC Male to LC Female Adapter, Red Switch (Mode Number: VFL-50) - Image 3](https://m.media-amazon.com/images/I/71p56i22XrL.jpg)
![2pc Fiber Optic Visual Fault Locator VFL Fiber Optic Cable Tester with 2pcs Singlemode 9/125um FC Male to LC Female Adapter, Red Switch (Mode Number: VFL-50) - Image 4](https://m.media-amazon.com/images/I/61UzOBzGz1L.jpg)
![2pc Fiber Optic Visual Fault Locator VFL Fiber Optic Cable Tester with 2pcs Singlemode 9/125um FC Male to LC Female Adapter, Red Switch (Mode Number: VFL-50) - Image 5](https://m.media-amazon.com/images/I/71a3-3jMmCL.jpg)

## Available Options

This product comes in different **Color, Size, Number Of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Bright enough to locate faults easily.
*by S***R on September 19, 2025*

Works as it should.

### ⭐⭐⭐⭐⭐ Work smarter not harder
*by K***. on January 28, 2026*

Use this for work. And is works great had it on a 12 mile stretch of fiber, made it easy to find the break.

### ⭐⭐⭐⭐⭐ The Future's So Bright (I Gotta Wear Shades)
*by I***K on October 3, 2023*

All my coworkers are jealous. The extra power shows most failure modes and losses, including too tight radius curves.

## Frequently Bought Together

- FYBOPTWU - 2pc 50km Visual Fault Locator VFL Fiber Tester Visual Fault Locator Fiber Optic Cable Tester with 2pcs Singlemode 9/125um FC Male to LC Female Adapter, Red Switch
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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-11*