--- product_id: 459090009 title: "1pc 4 in 1 Function Visual Fault Locator & OPM Portable Optical Power Meter (FC/SC/ST) & RJ45 Network Test & LED Lighting, Portable Fiber Optic Tester, Range: (-70) dBm ~ (+10) dBm" brand: "fyboptwu" price: "£29.47" currency: GBP in_stock: true reviews_count: 10 category: "Fyboptwu" url: https://www.desertcart.co.uk/products/459090009-1pc-4-in-1-function-visual-fault-locator-and-opm store_origin: GB region: United Kingdom --- # 500 data sets storage 4-in-1 multifunctional tester Auto power-off after 10 min 1pc 4 in 1 Function Visual Fault Locator & OPM Portable Optical Power Meter (FC/SC/ST) & RJ45 Network Test & LED Lighting, Portable Fiber Optic Tester, Range: (-70) dBm ~ (+10) dBm **Brand:** fyboptwu **Price:** £29.47 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your fiber testing game with the ultimate 4-in-1 portable powerhouse! ## Quick Answers - **What is this?** 1pc 4 in 1 Function Visual Fault Locator & OPM Portable Optical Power Meter (FC/SC/ST) & RJ45 Network Test & LED Lighting, Portable Fiber Optic Tester, Range: (-70) dBm ~ (+10) dBm by fyboptwu - **How much does it cost?** £29.47 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/459090009-1pc-4-in-1-function-visual-fault-locator-and-opm) ## 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 - • **Compact & Durable:** Lightweight, fall-resistant design with hanging rope for ultimate portability on the go. - • **Unmatched Accuracy:** Optical power test error under 0.2dB ensures professional-grade measurements every time. - • **All-in-One Precision:** Combine Optical Power Meter, Visual Fault Locator, RJ45 Network Test & LED Light in one sleek device. - • **Smart Power Management:** Auto shutdown after 10 minutes saves battery life (2x AAA, not included). - • **Versatile Wavelength Range:** Supports 10 standard wavelengths from 850nm to 1650nm for comprehensive fiber testing. ## Overview This 4-in-1 portable fiber optic tester integrates an optical power meter, visual fault locator, RJ45 network tester, and LED light into a compact, durable device. It supports 10 standard wavelengths with a test range of -70dBm to +10dBm, offers high accuracy with less than 0.2dB error, stores up to 500 data sets, and features auto power-off to conserve battery life. Compatible with FC/SC/ST interfaces and adaptable for LC connectors, it’s designed for professionals seeking reliable, on-the-go fiber diagnostics. ## Description Product description FYBOPTWU Company Profile Click "Visit the fyboptwu Store" under the title to buy the fiber optic products you needed. With years of technical accumulation and engineering practice in the field of communication networks, our company has launched the following products Optical Power Meter, Visual Fault Locator, Network tester, Fiber Optic Cleaver, Fiber Optic Adapter, Fiber Optic Couplers, Loopback Adapter, Fiber Optical Splitter, Stripping Tool, Fiber Attenuator, Electrode Rod, Fiber Splice Sleeves, Fiber Optic Cleaning Box, Fiber Optic Cleaning Pen, etc. Our company aims to meet the needs of the majority of network equipment users, solve their troubles and win the trust of customers through excellent products. Review: Good purchase - Works as described, good price. Review: Gets the job done. - Works as advertised, I ordered 2 more as they get the job done. The only downfall is using AAA batteries. Please make a model with built in rechargeable batteries. I will buy again. ## Features - 【4 in 1 Function】Optical power meter & Visual Fault Locator & RJ45 Network test & LED Lighting. It Needs 2 x AAA Batteries.(Note: Batteries Not Included in package) - 【Advantages】10 minutes without operation, the device will automatically shut down; 500 sets of data storage; optical power test error is less than 0.2dB; users can calibrate the data independently. It supports simultaneous disply of linear mW and non-linear index dBm. - 【10 Standard Measurement Wavelengths】850/980/1270/1300/1310/1490/1550/1577/1625/1650nm, Test range: -70dBm~+10dBm. - 【Easy to use】Durable and fall-resistant, small size, light weight, easy to carry, equipped with hanging rope. It supports FC/SC/ST universal interface, supports LC interface with LC/Female-FC/Male Adapter. - 【Quality assurance】24 months after-sales service gives you a good shopping experience. If you have any problem, please contact us, we will solve it for you and make you reap satisfaction. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B5GS1S2N | | Best Sellers Rank | #399,361 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #760 in Network & Cable Testers | | Brand | fyboptwu | | Brand Name | fyboptwu | | Color | Orange | | Customer Reviews | 4.1 out of 5 stars 64 Reviews | | Included Components | Fiber Optic Cable Tester | | Item Dimensions | 4.35 x 2.5 x 1.1 inches | | Item dimensions L x W x H | 4.35 x 2.5 x 1.1 inches | | Manufacturer | Yannw-shop | | Measurement Type | Optical Power (dBm) | | Model | Test-4in1+FC | | Part Number | Test-4in1+FC | | Power Source | Battery Powered | | Specification Met | CE, RoHS | | Style | OPM & VFL | | Style Name | OPM & VFL | | Unit Count | 1.0 Count | ## Product Details - **Brand:** fyboptwu - **Power Source:** Battery Powered - **Style:** OPM & 10km VFL - **Color:** Orange - **Item Weight:** 0.16 Kilograms ## Images ![1pc 4 in 1 Function Visual Fault Locator & OPM Portable Optical Power Meter (FC/SC/ST) & RJ45 Network Test & LED Lighting, Portable Fiber Optic Tester, Range: (-70) dBm ~ (+10) dBm - Image 1](https://m.media-amazon.com/images/I/71qcD1Z65FL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good purchase *by K***. on February 2, 2025* Works as described, good price. ### ⭐⭐⭐⭐ Gets the job done. *by B***Y on May 31, 2025* Works as advertised, I ordered 2 more as they get the job done. The only downfall is using AAA batteries. Please make a model with built in rechargeable batteries. I will buy again. ### ⭐⭐⭐⭐⭐ Works great. *by A***W on November 24, 2024* Solid little light meter. I use it daily ## Frequently Bought Together - FYBOPTWU - 1pc 4 in 1 Function VFL-10 Visual Fault Locator & OPM Portable Optical Power Meter (FC/SC/ST) & RJ45 Network Test & LED Lighting, Portable Fiber Optic Tester, Range: (-70) dBm ~ (+10) dBm - Jonard Tools M-216C/EX, Impact Resistant Hex Can Wrench with 7/16" and 3/8" Hex Sockets and Ergonomic Handle, 1" Diameter , 7" Length, Outer - Jonard Tools FOD-2000 Fiber Optic Drop Cable Slitter for 0.250" Flat Cable, Blue --- ## 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.co.uk/products/459090009-1pc-4-in-1-function-visual-fault-locator-and-opm](https://www.desertcart.co.uk/products/459090009-1pc-4-in-1-function-visual-fault-locator-and-opm) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-23*