Network Cable Tester, Preciva Ethernet Test Tool, Lan RJ45 RJ11 cat5 cat5e cat6a, Powered via USB

[Widely Used] Preciva network cable tester suits for RJ45/network cable, RJ11/telephone cable. Effectively help you troubleshoot short circuit, line misorder etc. Easy to use, even you are zero experience. [Accurate] Exclusive 100M POE anti-burning design, it can effectively prevent ethernet cable tester from burning out during work. Avoid the indicator light is off to affect the test results. [2 Power Supply Modes] LAN network cable tester support dual power supply. You can either install a 9V battery (Batteries to be purchased additionally), or powered via USB. Portable and no need to worry that low battery limit your work. [3 Test Speeds] In the automatic scan test state, short press the FUNC key once to flexibly switch Fast, Medium and Slow 3 test speeds. You can choose the best one according to your work needs. Improve your work efficiency. [LED Light] You can use LED on the test to light up when the cable is already laid in a narrow dark space. Plus cable tester is detachable and used separately, which can be well applied to various usage scenarios.