Anti-interference Network Cable Tester: Adopt advanced digital/analog/POE mode, high sensitivity, less noise interference, easy to accurately locate the target cable, widely used in engineering wiring, network and equipment maintenance Optical power Meter Test & Port Flashing: Connect the network cable to be tested to the transmitter, the wire tracker will automatically detect the optical fiber frequency and the port indicator will flash on the same screen, which can display the working speed of the port, which is convenient for accurately locating the line and port. Multifunctional Network Cable Tester: There are nine features to meet your needs. Continuity testing, cable scan, port flash, length measurement, POE Power Supply Test, QC testing, optical power meter, VFL function, and NVC function. PoE Testing: PoE testing can check cable mapping polarity and voltage of PoE network switches, withstand 60VDC. Automatically detects and switches between 10M/100M/1000M modes. Includes cable tracking, short circuit test, interruption of circuit test and etc Cable Length Test: The RJ45 cable tester can quickly measure the length of the cable with a range of 200m. Not only network cables, but also phone lines and BNC cables.