[ Fiber Optical Tester] Combines an Optical Power Meter (OPM), Visual Fault Locator (VFL), and high-brightness LED light in one compact device, simplifying fiber optic testing and fault detection for technicians. [Portable and Design] Compact, , and built with robust materials for fieldwork, plus a 1800mAh battery offering over 6 hours of continuous use with Type-C charging for all-day efficiency. [High Power and Long Range] Features a 30mW VFL with up to 30km detection range, ensuring precise fault location even over long distances, and supports 10 wavelength options including [ and Versatility] Equipped with an detector for accurate power measurements (-70dBm to +10dBm) and ±0.2dB at key wavelengths (1310/1550nm), ideal for diverse fiber networks. [User-Friendly Operation] Includes a sunlight-visible LCD screen, one-touch wavelength switching, LED flashlight, and auto-shutdown/-saving modes for effortless operation in various environments., Manufacturer: Akfldms