{"id":9427815497965,"title":"Powerful Rechargeable Visual Fault Locator 40km with Case - VFL Tester with FC Male to LC Female Adapter - 7h Battery Life Red Light Pen for Fiber Network Cable Test KLFO50 1mw","handle":"powerful-rechargeable-visual-fault-locator-40km-with-case-vfl-tester-with-fc-male-to-lc-female-adapter-7h-battery-life-red-light-pen-for-fiber-network-cable-test-klfo50-1mw","description":"\u003ch3\u003ePowerful Rechargeable Visual Fault Locator 40km with Case - VFL Tester with FC Male to LC Female Adapter - 7h Battery Life Red Light Pen for Fiber Network Cable Test\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eNew Karvinger rechargeable tester, a major asset for your fiber optic work. A\nrechargeable battery with 7 hours of battery lifeSave time and avoid battery\nfailure Responsive customer supportBenefit from answers to your questions 7\ndays a weekOrder without risk!Manufacturer's warranty free replacement during\n1 year and 30-day money backFeatures:Materials: AluminumSize: 14.5 x 2.7 x 2.7\ncm Power: 50 mWDetectable length: 25 milesAutonomy: 7 hoursWeight: 150\ngIncluded in the box:x1 Karvinger Fiber Optic Tester 40km rechargeablex1\nProtective carbon fiber casex1 Adjustable wrist strapx1 USB charging cablex1\nFC to LC connectorx1 Instructions for use + warranty linkInstructions for\nuse:Charge the tester until the indicator turns blue.Remove the dust cap and\nconnect the vfl to the fiber optic cable.Press the button once to activate the\ncontinuous mode. Press again to activate pulse mode. To turn off the vfl,\npress the button againIdentify the places where the red light appears on the\nfiber optic cables: you have identified a fault!Order your fiber optic tester\nby clicking Add to Cart.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eEasy fiber fault identification- Easily identify any problems on your fiber optic installation. Bad connection, various breaks or new installation, use the Karvinger fiber optic pen to get rid of your worries. Visually locate the slightest defect when the vfl light passes through a constraint, macro-bend or even a cut in a fiber cable thus generating a light reflection.\u003c\/li\u003e\n \u003cli\u003eDon't worry about batteries anymore- Exclusively from Karvinger, a rechargeable battery system with 7 hours of autonomy to allow you to stop using batteries. The 40km vfl has a high performance, long life battery and charging status indicator. This battery can be replaced if needed by unscrewing the bottom of the tool. The visual fault locator can be recharged from a mains socket or a USB port (computer, car, external battery).\u003c\/li\u003e\n \u003cli\u003eOptimal performance- The 50 power allows the slightest reflection of light to be seen over a distance of 25 miles making the tool suitable for any type of intervention. The battery recharges quickly and can emit light for 7 hours with two modes of operation: continuous or flashing. The aluminum structure makes the vfl shockproof and suitable for any terrain. The tester's tip is SC, ST and FC compatible. The VFL tester comes with a FC to LC adapter.\u003c\/li\u003e\n \u003cli\u003eThe best choice for your interventions- The Karvinger fiber optic pen is sold with a protective carbon fiber case that will protect the VFL device against drops and shocks as well as an adjustable wrist strap to prevent accidental damage. The light outlet is covered with a dust cap and an instruction manual is provided. Finally, a charging USB-C cable is included to allow you to use the vfl as soon as possible after receiving it.\u003c\/li\u003e\n \u003cli\u003eBuy Risk-Free- We have made customer satisfaction our number 1 priority. Because of this, the Karvinger fiber pen is guaranteed for 1 year from the date of purchase. The article does not suit you? Return it to us within 30 days and receive a refund. If you encounter a problem or have a question, our 100% English customer service responds 7 days a week.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-07-12T12:57:39+10:00","created_at":"2026-07-09T21:58:54+10:00","vendor":"Karvinger","type":"Network \u0026 Cable Testers","tags":["home_improvement_July2026"],"price":23300,"price_min":23300,"price_max":23300,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50261648736493,"title":"KLFO50 \/ 1mw","option1":"KLFO50","option2":"1mw","option3":null,"sku":"B0D83RCW8M","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Powerful Rechargeable Visual Fault Locator 40km with Case - VFL Tester with FC Male to LC Female Adapter - 7h Battery Life Red Light Pen for Fiber Network Cable Test KLFO50 1mw - KLFO50 \/ 1mw","public_title":"KLFO50 \/ 1mw","options":["KLFO50","1mw"],"price":23300,"weight":310,"compare_at_price":null,"inventory_management":"shopify","barcode":"KLFO","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/leoforward.com\/cdn\/shop\/files\/B0D83RCW8M.jpg?v=1783598336","\/\/leoforward.com\/cdn\/shop\/files\/81fEKotskLL.jpg?v=1783598336","\/\/leoforward.com\/cdn\/shop\/files\/91kptRe4o1L.jpg?v=1783598336","\/\/leoforward.com\/cdn\/shop\/files\/91bUaPkZhHL.jpg?v=1783598336","\/\/leoforward.com\/cdn\/shop\/files\/81mU6x0WtQL.jpg?v=1783598336","\/\/leoforward.com\/cdn\/shop\/files\/91GrQ9GIv9L.jpg?v=1783598336"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/files\/B0D83RCW8M.jpg?v=1783598336","options":["Model","Size"],"media":[{"alt":null,"id":40824599937261,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2500,"width":2500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/B0D83RCW8M.jpg?v=1783598336"},"aspect_ratio":1.0,"height":2500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/B0D83RCW8M.jpg?v=1783598336","width":2500},{"alt":null,"id":40824599970029,"position":2,"preview_image":{"aspect_ratio":1.0,"height":2500,"width":2500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/81fEKotskLL.jpg?v=1783598336"},"aspect_ratio":1.0,"height":2500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/81fEKotskLL.jpg?v=1783598336","width":2500},{"alt":null,"id":40824600002797,"position":3,"preview_image":{"aspect_ratio":1.0,"height":2500,"width":2500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/91kptRe4o1L.jpg?v=1783598336"},"aspect_ratio":1.0,"height":2500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/91kptRe4o1L.jpg?v=1783598336","width":2500},{"alt":null,"id":40824600035565,"position":4,"preview_image":{"aspect_ratio":1.0,"height":2500,"width":2500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/91bUaPkZhHL.jpg?v=1783598336"},"aspect_ratio":1.0,"height":2500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/91bUaPkZhHL.jpg?v=1783598336","width":2500},{"alt":null,"id":40824600068333,"position":5,"preview_image":{"aspect_ratio":1.0,"height":2500,"width":2500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/81mU6x0WtQL.jpg?v=1783598336"},"aspect_ratio":1.0,"height":2500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/81mU6x0WtQL.jpg?v=1783598336","width":2500},{"alt":null,"id":40824600101101,"position":6,"preview_image":{"aspect_ratio":1.0,"height":2500,"width":2500,"src":"\/\/leoforward.com\/cdn\/shop\/files\/91GrQ9GIv9L.jpg?v=1783598336"},"aspect_ratio":1.0,"height":2500,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/91GrQ9GIv9L.jpg?v=1783598336","width":2500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003ePowerful Rechargeable Visual Fault Locator 40km with Case - VFL Tester with FC Male to LC Female Adapter - 7h Battery Life Red Light Pen for Fiber Network Cable Test\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eNew Karvinger rechargeable tester, a major asset for your fiber optic work. A\nrechargeable battery with 7 hours of battery lifeSave time and avoid battery\nfailure Responsive customer supportBenefit from answers to your questions 7\ndays a weekOrder without risk!Manufacturer's warranty free replacement during\n1 year and 30-day money backFeatures:Materials: AluminumSize: 14.5 x 2.7 x 2.7\ncm Power: 50 mWDetectable length: 25 milesAutonomy: 7 hoursWeight: 150\ngIncluded in the box:x1 Karvinger Fiber Optic Tester 40km rechargeablex1\nProtective carbon fiber casex1 Adjustable wrist strapx1 USB charging cablex1\nFC to LC connectorx1 Instructions for use + warranty linkInstructions for\nuse:Charge the tester until the indicator turns blue.Remove the dust cap and\nconnect the vfl to the fiber optic cable.Press the button once to activate the\ncontinuous mode. Press again to activate pulse mode. To turn off the vfl,\npress the button againIdentify the places where the red light appears on the\nfiber optic cables: you have identified a fault!Order your fiber optic tester\nby clicking Add to Cart.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eEasy fiber fault identification- Easily identify any problems on your fiber optic installation. Bad connection, various breaks or new installation, use the Karvinger fiber optic pen to get rid of your worries. Visually locate the slightest defect when the vfl light passes through a constraint, macro-bend or even a cut in a fiber cable thus generating a light reflection.\u003c\/li\u003e\n \u003cli\u003eDon't worry about batteries anymore- Exclusively from Karvinger, a rechargeable battery system with 7 hours of autonomy to allow you to stop using batteries. The 40km vfl has a high performance, long life battery and charging status indicator. This battery can be replaced if needed by unscrewing the bottom of the tool. The visual fault locator can be recharged from a mains socket or a USB port (computer, car, external battery).\u003c\/li\u003e\n \u003cli\u003eOptimal performance- The 50 power allows the slightest reflection of light to be seen over a distance of 25 miles making the tool suitable for any type of intervention. The battery recharges quickly and can emit light for 7 hours with two modes of operation: continuous or flashing. The aluminum structure makes the vfl shockproof and suitable for any terrain. The tester's tip is SC, ST and FC compatible. The VFL tester comes with a FC to LC adapter.\u003c\/li\u003e\n \u003cli\u003eThe best choice for your interventions- The Karvinger fiber optic pen is sold with a protective carbon fiber case that will protect the VFL device against drops and shocks as well as an adjustable wrist strap to prevent accidental damage. The light outlet is covered with a dust cap and an instruction manual is provided. Finally, a charging USB-C cable is included to allow you to use the vfl as soon as possible after receiving it.\u003c\/li\u003e\n \u003cli\u003eBuy Risk-Free- We have made customer satisfaction our number 1 priority. Because of this, the Karvinger fiber pen is guaranteed for 1 year from the date of purchase. The article does not suit you? Return it to us within 30 days and receive a refund. If you encounter a problem or have a question, our 100% English customer service responds 7 days a week.\u003c\/li\u003e\n \u003c\/ul\u003e"}