S2 One Step Electric Fiber Optic Identifier Live Fiber Optical Detector With Visual Fault Locator In 850-1700nm SM MM ,Accurate

One-step operation for quick and efficient fiber identification Compatible with both single mode (SM) and multimode (MM) fibers for versatile use Visual fault locator feature helps pinpoint issues in fiber networks Operates within a wavelength range of 850-1700nm, ensuring broad compatibility Compact and portable design, for field technicians and network maintenance