Visual Fault Locator (VFL), Red Light Pen 30mW 30KM, Fiber Optic Cable Tester Tools for FC, SC, ST and LC adapter

● 2.5mm Universal Connector & 1.25mm LC adapter: Test for both single-mode and multi-mode ST/SC/FC/LC Interface Fiber Optic cables
● Long output distance: Red light output distance up to 30KM, Replaceable Ceramic core Design to prolong the lifetime
● Easy to Check Fiber Faults: This Visual Fault Locator will emit a 650nm bright red light which has strong Penetrating power, can accurately detect and locate fiber breaks, poor connections, bending, or cracking
● Practical Design: Small size and lightweight, pen-type design with pouch make it portable. Design with a stainless steel head and aluminum body to prevent crash and dust, the case ground design prevents ESD damage efficiently
● 2 AA-size alkaline batteries included