Aua-m70 10mw 4-in-1 Optical Power Meter Visual Fault Locator Network Cable Tester Vfl without Dry Batteries

Description

Accurately test whether a single network cable transmits signals normally. Added LED flashlight lighting function, which is convenient for line inspection in dark environment. The wavelength memory function is added, can memorize the test wavelength set before shutdown after shutdown. Encapsulation shell protection can reduce the damage to the machine caused by accidental drop to a certain extent. Press LIGHT in different environments to turn on or off the backlight at will.