Features:_x000D_
_x000D_
Test RJ11 / RJ45 / USB network cables_x000D_
Test correspondingly double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground_x000D_
Can judge wrong connection, short circuit adm open circuit_x000D_
Put cables into both main tester and remote tester. The lights of the main tester will turn on sequently from 1 to G._x000D_
Detachable remote tester, test remote cable up to 1000ft in length. _x000D_
9 LED lights to indicated wiring connection on both remote and master unit_x000D_
Power supply: DC 9V battery ( Not Included )