Optical Time Domain Reflectometer otdr testing 5.6 inch touching screen

Optical Time Domain Reflectometer, otdr testing, 5.6 inch touching screen, visual fault locator(VFL) Product Features: 5.6-Inch outdoor-enhanced touchscreen, 7.4V/4.4Ah Lithium battery Event Dead zone as lower as 1.5meter Combined multi dynamic range and wavelengths Muti measurement mode, support Touching LCD and pressing keys Warning function could prevent OTDR module from being damaged by optical signal in fiber. Realtime measuring function, convenient to monitor the