--- product_id: 576785580 title: "Visual Fault Locator - Rechargeable Red Light VFL Fiber Optic Tool kit - Retractable Head fits SC FC ST - Optical Laser Light Pen - Network Cable Tester - with Protective Case and LC Adapter" brand: "sysotek" price: "22.34 DT" currency: TND in_stock: false reviews_count: 5 url: https://www.desertcart.tn/products/576785580-visual-fault-locator-rechargeable-red-light-vfl-fiber-optic-tool store_origin: TN region: Tunisia --- # 1800mAh rechargeable battery USB-C fast charging 1mW Class I laser power Visual Fault Locator - Rechargeable Red Light VFL Fiber Optic Tool kit - Retractable Head fits SC FC ST - Optical Laser Light Pen - Network Cable Tester - with Protective Case and LC Adapter **Brand:** sysotek **Price:** 22.34 DT **Availability:** ❌ Out of Stock ## Summary > 🔧 Light up your fiber game—never miss a fault, never lose a minute. ## Quick Answers - **What is this?** Visual Fault Locator - Rechargeable Red Light VFL Fiber Optic Tool kit - Retractable Head fits SC FC ST - Optical Laser Light Pen - Network Cable Tester - with Protective Case and LC Adapter by sysotek - **How much does it cost?** 22.34 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/576785580-visual-fault-locator-rechargeable-red-light-vfl-fiber-optic-tool) ## Best For - sysotek enthusiasts ## Why This Product - Trusted sysotek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Compatibility:** Retractable 2.5mm head plus bonus 1.25mm LC adapter fit SC, FC, ST, APC & UPC connectors—one tool for every fiber job. - • **Rugged, Pocket-Ready Design:** Durable metal body built for daily commercial use—compact enough to fit in your toolkit or pocket, engineered for pros on the move. - • **Precision Red Laser Detection:** Pinpoint fiber breaks & bends with a bright 1mW red laser—industry standard for safe, accurate fault locating. - • **Dual Laser Modes + LED Flashlight:** Switch between constant and pulsing laser modes with an integrated LED flashlight for flawless inspections in any environment. - • **Unmatched Battery Life & Convenience:** Rechargeable 1800mAh lithium-ion battery delivers up to 40 hours standby and works while charging—never scramble for batteries again. ## Overview The Sysotek Visual Fault Locator is a professional-grade fiber optic testing pen featuring a safe 1mW red laser for detecting cable faults. Its rechargeable 1800mAh battery with USB-C charging supports extended use and on-the-go convenience. Compatible with SC, FC, ST, APC, and UPC connectors via a retractable head and included LC adapter, it offers dual laser modes plus an LED flashlight for versatile inspections. Built with durable metal housing, this compact tool is essential for fiber optic technicians seeking precision, reliability, and compliance in network maintenance. ## Description Sysotek’s 1mW visual fault locator fiber optic cable is an essential tool. As a fiber light tester and bonus fiber optic flashlight, it emits a powerful red lazer, detecting breaks in cables and connectors. The sc fiber tester and lc fiber tester supports SC, ST, FC APC & UPC. Designed for use with fiber optic installation tools and fiber optics tools, it significantly enhances fiber optic network maintenance. The compact mini fiber laser improves precision, while the fiber test light, fiber tester light, or fiber light source offer clear visibility. A long-lasting rechargeable battery with USB Type-C charging ensures extended use for every job. The included fiber light meter, light meter fiber optic, or fiber optic cable tester provide accurate readings in various environments. Ideal for fiber optic tools kit and optical fiber tools, this fiber light pen and optic pen are indispensable for any technician. The fiber fault locator is rechargeable. The fiber optic fault tester provides added convenience, while the fiber visual fault locator fiber optic tester and VFL fiber optic features guarantee effective troubleshooting. Review: Good quality - Compared to the 4 others VFL's ive tried this one has amazing build quality. The fact its rechargable is just a cherry on top. Very sturdy design and nothing would randomly unscrew and fall off like the others ive had Review: Next level tool - If your in this line of work and use one of these then get this one. No turning back after trying this out. Not even comparable to the other types where you need to replace the batteries. Cool design. Sleek, modern and most important, practical. The retractable head is awesome cause I don't need to worry about having dust caps or a flimsy flap flopping around in the way. If your worried about price then think of it this way, after you buy batteries once or twice for your current VFL then you have already spent the difference. Plus for me, that moment when the VFL runs out of juice and you need to replace the batteries which you may not have, that frustration alone is worth the cost difference. This Sysotek vfl has a battery indicator on it as well so you know how long it’s going to last. And this seems to last a long long time. ## Features - DESIGNED FOR TECHS - The Visual Fault Locator or VFL fiber tester is essential for fiber optic technicians, using a fiber laser to emit bright red light that helps detect faults like breaks and bends in cables and fiber patch cords. 2.5mm head works with any 9/125um, single mode, multimode, APC or UPC cable. Bonus 1.25mm LC adaptor included. Perfect for techs or electrician tools set. The Fiber Laser pen ensures effective maintenance of optical networks like FTTH FTTX or FTTN and more! - RECHARGEABLE VFL - Save money with a 1800mAh lithium ion battery and never look or replace batteries again. Offering up to 40 hours of standby and can be used while charging. LED battery monitor and USB-C charging. Ideal for techs and fiber testers who use fiber optic light meters or in any situation where optical cables or network ports need to be identified or breaks in fiber lines need to be seen. Add the VFL fiber optic light source to you fiber tester tool kit. - LED FLASHLIGHT - CONSTANT & PULSING LASER MODE - Featuring an LED flashlight and two laser modes: constant and flashing. Easily inspect patch panel ports in hard to see locations like tech hubs, network centers, and data centers. Sysoteks redlight pen can identify faults in both single mode and multimode fiber. Essential for fiber optic cables and Ethernet connections. Versatile design makes it a must-have to any set of electrical tools or fiber optic testing equipment. - DURABLE & PORTABLE - Durable metal construction designed for commercial use. Compact & lightweight tool is perfect for telecom or electrical and fiber splicing professionals, easily fitting into your pocket or network tool kit. Superior to others, it complements OTDRs, power meters, fusion splicers, fiber splicer & strippers and fusion splicing tools. Essential for accurate fiber optic light meter readings and working seamlessly with fiber cleavers identifying proper cuts or misaligned splices. - SAFETY & COMPLIANCE - Class I 1mW laser - Compliant with work, health, and safety authorities. Sysotek designed this VFL pen with case to ensure you meet all job site regulations. The legal power limit provides a bright red light while keeping you, others, and fiber optic equipment safe. Ideal for pinpointing faults in optic cables. Our VFL fiber light is a must-have tool for any technician's toolkit. Class 1, 1mW is the industry standard for a reason. Be compliant, be safe! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BMY5NNB4 | | Best Sellers Rank | #103,349 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #136 in Network Testers | | Brand | Sysotek | | Brand Name | Sysotek | | Cable Type | Fiber Optic | | Cable type | Fiber Optic | | Color | Silver | | Compatible Devices | Fiber Optic Patch Panels, Switches, Routers, Networking Equipment | | Compatible Phone Models | No Compatible Phone Models | | Compatible devices | Fiber Optic Patch Panels, Switches, Routers, Networking Equipment | | Compatible phone models | No Compatible Phone Models | | Connector Gender | Male-to-Female | | Connector Type | FC, SC, ST | | Connector type | FC, SC, ST | | Customer Package Type | FFP | | Customer Reviews | 4.5 out of 5 stars 24 Reviews | | Ethernet Cable Category | Cat 6 | | Indoor Outdoor Usage | Indoor | | Item Shape | Round | | Item Weight | 3.39 Ounces | | Manufacturer | Sysotek | | Maximum Voltage | 1 Volts (DC) | | Model | RR01 | | Model Name | RR01 | | Number of Items | 1 | | Number of Pins | 2 | | Other Special Features of the Product | Easy to use and useful for fiber optic fault detection | | Outer Material | Metal | | Part Number | VFL-TQ-1 | | Recommended Uses For Product | Fiber Optic Cable Fault Detection, Optical Network Maintenance, Patch Panel Inspection | | Special features | Easy to use and useful for fiber optic fault detection | | Specification Met | RoHS | | UPC | 196852465934 | | Unit Count | 1.0 Count | | Wattage | 1 Milliwatts | ## Product Details - **Brand:** Sysotek - **Cable type:** Fiber Optic - **Compatible devices:** Fiber Optic Patch Panels, Switches, Routers, Networking Equipment - **Connector type:** FC, SC, ST - **Special features:** Easy to use and useful for fiber optic fault detection ## Images ![Visual Fault Locator - Rechargeable Red Light VFL Fiber Optic Tool kit - Retractable Head fits SC FC ST - Optical Laser Light Pen - Network Cable Tester - with Protective Case and LC Adapter - Image 1](https://m.media-amazon.com/images/I/71Sqe8HIH3L.jpg) ![Visual Fault Locator - Rechargeable Red Light VFL Fiber Optic Tool kit - Retractable Head fits SC FC ST - Optical Laser Light Pen - Network Cable Tester - with Protective Case and LC Adapter - Image 2](https://m.media-amazon.com/images/I/71eSauqPP-L.jpg) ![Visual Fault Locator - Rechargeable Red Light VFL Fiber Optic Tool kit - Retractable Head fits SC FC ST - Optical Laser Light Pen - Network Cable Tester - with Protective Case and LC Adapter - Image 3](https://m.media-amazon.com/images/I/812FMB8SodL.jpg) ![Visual Fault Locator - Rechargeable Red Light VFL Fiber Optic Tool kit - Retractable Head fits SC FC ST - Optical Laser Light Pen - Network Cable Tester - with Protective Case and LC Adapter - Image 4](https://m.media-amazon.com/images/I/71SDRVgCKHL.jpg) ![Visual Fault Locator - Rechargeable Red Light VFL Fiber Optic Tool kit - Retractable Head fits SC FC ST - Optical Laser Light Pen - Network Cable Tester - with Protective Case and LC Adapter - Image 5](https://m.media-amazon.com/images/I/71pFtxpFzVL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality *by D***J on 21 April 2025* Compared to the 4 others VFL's ive tried this one has amazing build quality. The fact its rechargable is just a cherry on top. Very sturdy design and nothing would randomly unscrew and fall off like the others ive had ### ⭐⭐⭐⭐⭐ Next level tool *by L***R on 22 April 2026* If your in this line of work and use one of these then get this one. No turning back after trying this out. Not even comparable to the other types where you need to replace the batteries. Cool design. Sleek, modern and most important, practical. The retractable head is awesome cause I don't need to worry about having dust caps or a flimsy flap flopping around in the way. If your worried about price then think of it this way, after you buy batteries once or twice for your current VFL then you have already spent the difference. Plus for me, that moment when the VFL runs out of juice and you need to replace the batteries which you may not have, that frustration alone is worth the cost difference. This Sysotek vfl has a battery indicator on it as well so you know how long it’s going to last. And this seems to last a long long time. ### ⭐⭐⭐⭐⭐ Happy with what I received. *by A***M on 19 June 2023* Bought this because my previous one broke. Been using this almost every day since arriving. I have to say, this is pretty nice and a definite upgrade from the regular style VFLs. This is smaller, solid construction and the fact that it has a built in rechargeable battery is great. The battery life indicator is a huge bonus. Sometimes for the work I do I need to leave my laser light on for long periods of time as I switch locations and before with the AA battery VFLs I would have no idea how much life the batteries had left. I would just always put fresh ones in to be sure and always thought that was a waste. The retracting mechanism is also an amazing bonus. One twist and the head disappears and its protected and will be kept clean. Cool design and Super easy. Nice hard shell carrying case too. Very pleased so far. ## Frequently Bought Together - Sysotek Visual Fault Locator - Rechargeable Red Light VFL Fiber Optic Tool kit - Retractable Head fits SC FC ST - Optical Laser Light Pen Network Cable Fiber Tester with Protective Case and LC Adapter - 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 - D YEDEMC Fiber Optic Cable Tester - Portable Optical Fiber Power Meter with Universal FC/SC/ST Interface and Built-in 2Mw Visual Fault Locator (OPM-VFL-1) --- ## 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.tn/products/576785580-visual-fault-locator-rechargeable-red-light-vfl-fiber-optic-tool](https://www.desertcart.tn/products/576785580-visual-fault-locator-rechargeable-red-light-vfl-fiber-optic-tool) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-23*