【Universal Compatibility】The locator's 2. 5mm universal connector works seamlessly with ST, SC, and FC interfaces, making it ideal for both single-mode and multi-mode cable testing. (For LC cables, simply use the FC Male to Female LC connector. )【Effortless Fiber Fault Detection】Quickly and accurately identify fiber breaks, poor connections, bends, or cracks with a bright 650nm light that highlights any refraction caused by faults. This pen shaped visual fault locator is a tool used on terminated fiber optic cables to locate sharp bends or breaks in jacketed or bare fiber. For single mode, multimode and plastic fibers, this is a low price fiber laser light tester that complies with the latest. If there is red light, it indicates that the red light pen is installed correctly and can be used; Select the appropriate connector based on the type of optical fiber jumper (that is, the interface type of the optical fiber jumper). Featuring a rugged metal build and a universal 2. This professional-grade Visual. ● 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 Temp. Only registered users can write questions.