Billed as a “must-have” tool for any technician working on fiber-optic networks, the VFI4 is small enough to fit on a keychain, yet has enough power to reach up to 10 km. The VFI4 Visual Fault Locator is an essential troubleshooting tool for fiber installation and maintenance technicians. The compact unit injects a high-powered red laser light that provides exceptional brightness and range for locating defects in single-mode and multimode fibers.

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