In today''s fast-paced workplace maximizing productivity is essential. Whether installing new fiber links or troubleshooting an existing network, the faster you can locate a problem, the faster you can fix it. That''s easier said than done when you are faced with a complex network of fibers, connectors and patch cords.You can diagnose and repair simple fiber link problems with Fluke Networks'' VisiFault™ Visual Fault Locator(VFL). The laser-powered VisiFault locates fibers, verifies continuity and polarity. This cable continuity tester helps find breaks in cables, connectors and splices. Continuous and flashing modes make for easier identification. Compatible with 2.5mm and 1.25mm connectors for easy connection. Ruggedly constructed for demanding field-testing. Long battery life for hours of use.