High quaility product,Brand new
Let you know if there is an open, short, or miss-wired connection 9 LEDs on both the master unit and the remote terminator to verify the connectivity of each of the wires in the cable The switch-design power button on the master unit will prevent accidental power on Master unit can be connected directly to a hub, a switch or a network controller card via a network cable without the remote terminator to test the connectivity of the cable.
LEDs multi function cable tester for RJ45, RJ11 network cables
Test correspondingly double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground
Capable to judge wrong connection, short circuit and open circuit
Detachable remote tester, test remote cable up to 1000ft. in length
Power supply: DC 9V battery (not included)