Kkmoon Handheld 10mw Fiber Optic Tester Portable Pen Type Red Light Visual Fault Locator Rechargeable black

It is used to detect optical fiber breakpoints, and is used in the construction and maintenance of integrated wiring, telecommunications project and maintenance, CATV project and maintenance and other fiber-optic project. Features: The interface adopts a pull-out design, which is waterproof and dustproof, and has a longer service time. Small flashlight with bright LED lens, convenient for cable insertion and construction in dark environment. Highly integrated chip, integrating power management, signal modulation, and switch control. Stable light emission, strong light source, high accuracy, sufficient power, easy to penetrate optical fiber. USB rechargeable design, large capacity battery, long working time. 2.5mm universal interface to mee