Mini 4 In 1 Multifunction Fiber Optical Power Meter — Visual Fault Locator 5KM 15KM 30 KM & Network Cable Test, High Precision

Compact 4-in-1 fiber optical power meter that combines precise measurement with multiple test modes. Dynamic range: 80db with a measurement error of less than ±0.2db. fc/sc/st interface is supported for broad connector compatibility. Built-in lithium battery with USB charging for faster, safer charging and extended run time. Strong red light source for VFL inspection. Controls and modes: short press VFL to switch VFL output mode; long press to turn cable test mode on or off; short press to toggle the LED light.