The Jonard Tools VFL-300 Rugged Visual Fault Locator Kit features a 650 nm Class III A laser diode that can accurately identify faults in both single and multi-mode fiber optic cables, up to 3 miles in length. It offers three different modes with constant output power: Continuous wave, pulsing, and slower pulsing mode, making it a versatile tool for field personnel. In addition, its protective sleeve can be rotated to prevent accidental pressing of the power button, and its rugged aluminum housing and portable pen-style design make it ideal for use on jobsites and on-the-go. This kit also includes adapters for various connector types, a carrying pouch, batteries, and instructions. With its ability to detect fiber breakpoints, leaks, poor connections, and stress points, this fault locator is an essential tool for any industry expert.