Portable Mini Fiber Optical Power Meter 8 Wavelengths with LED Light Network Cable Tester FTTH Fiber Optic Cable Tester

Features:
Accurately test whether a single network cable transmits signals normally.
Added LED flashlight lighting function to facilitate line inspection in dark environments.
Added wavelength memory function to remember the test wavelength set before shutdown after shutdown.
Encapsulated case protection, can reduce the damage caused to the machine by accidental fall by a certain degree.
Press LIGHT in different environments to turn the backlight on or off at will.
You can self-adjustment test reference based on actual test requirements.