TFI-40 Active Optical Fiber Identifier Live Fiber Cable Tester,Traffic Detector With 10mw Visual Fault Locator , fine workmanship

Small and Portable:Small and practical without covering all zero shackles Integrated VFLLED Lighting:The breakpoint can be located quickly, and the detection distance is up to 5 km.LED lighting, convenient for construction in the dark environment. Universal for SM/MM Fiber:Probe anywhere on SM and MM fiber Identify it on the line Identify 3 Signal Frequencies:Identify 270Hz, 1KHz, 2KHz signal frequency,there will be a buzzer sound when identifying the frequency One-key Detection,Identify Signal Direction:When the optical fiber has a signal,the left and right direction lights show the signal direction