Network cable Tester CA-5142

* One person enough to complete cable continuity check
* Check wiring error in RJ45 Lan Cable
* Such as open circuit,short Circuit,jumper wire,reverse connectioncross-talk interference
* Messure cable length and determine the distance of open circuit and short circuit
* Simple and easy use
* Big screen to display test result clear
* Power Supplied By 4x1.5V Battery