[Locate Breakpoints]Visual Fault Locator, be used to hit upon sharp bends & breaks in jacked or fiber. Locating the fault of fiber breakage, winding and so on. [WIDELY USED]2 Universal Connector - the connector of the detector is compatibly designed for ST, SC, interferes both in circle and sq. shape of alternative fiber optic cables. [Identify Fibers]Red light cable equipment may even 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 seen fault locator has a strong output power, can output a robust pink indicating light, as much as 25-35 kilometers. Also has pulsed and CW operation. [Rugged Metal Design]Rugged and weatherproof design with a small bag. Material: plastic colour: black Package Contents: 1 x Tester (without battery 2 x AA batteries) 1 x Lanyard 1 x tote bag 1 x Adapter Only the above kit content, various products will not be included. Note: Light and assorted exhibits could cause the color of the item in the picture a bit diversified from the genuine thing. The dimension allowed error is +/- 1-3cm.