Visual fault locator continuity tester locates fibers, finds faults, verifies continuity and polarity. Locates faults including tight bends, breaks and bad connectors. Accelerates end-to-end fiber checks. Easily verifies polarity and identifies fibers. Features continuous and flashing modes. Ergonomic case survives drops, impacts and vibrations. Supports 2.5 mm and 1.25 mm SFF connectors. Over 80 hours of battery life with two AA batteries.