[Locate Breakpoints]Visual Fault Locator, be used to locate sharp bends & breaks in jacked or bare fiber. Locating the fault of fiber breakage, winding and so on.[WIDELY USED]2.5mm Universal Connector - the connector of the detector is compatibly designed for ST, , interferes both in circle and square shape of different fiber optic cables.[Identify Fibers]Red light cable equipment could also be used to identify the connectors in patch panels and identify the fibers during splicing operation. End-to-end fiber recognition.[Long Distance Detection]The 30mW visual fault locator has a strong light source output , can output a strong red indicating light, up to 25-35 kilometers. Also has pulsed and CW operation.[Rugged Metal Design]Rugged and weatherproof design with a small bag.Material: plasticcolour: blackPackage Contents:1 x Tester (without battery 2 x AA batteries)1 x Lanyard1 x tote bag1 x AdapterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.